Foundation for German communication and related technologies

(History of Technology)

Subjects: (red = recent contribution(s), change(s) and/or update)

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A

•  About Navigating on this website (consideration, about us)
•  About the objectives of our Foundation (About us)
•  AEG product leaflets 1930s (Handbooks papers and product information)
•  Airborne command transmitter (transponder?) module (unidentified type number)
•  Akustische Strahlungsleistung von Kreis- und Kugelgruppen(Sonar), F.A. Fischer(ENT)
•  Allied post-war reports on German Science and Industry (FIAT-CIOS-BIOS)(selection)
•  Annalen der Physik (1897 - 1905) all indexes & selection of papers, Planck,Einstein,..
•  Analogcomputer als Medium der Zeitmanipulation, by Teresa Busjahn (Handbooks)
•  Anniversary 10 Years “Fernseh A.G. 1929 - 1939”, Germany (TV tech 1930 - 1945)
•  Antennen, Ausgewählte Fragen über Theorie & Technik 23-26 March 1943, GBN-ZWB
•  Arbeitsgemeinschaft Rotterdam (AGR), minutes of meeting 1943/44 (History of radar)
•  Arbeitskreistagung Röhren (valves & magnetron - conference) Breslau 27/28 March 1944
•  Archive displays, radar, communications, measurments, transmitter, computer
•  Archives PP, concerning German military and commercial apparatus
•  Artefacts, on display ( selection of exhibits) , and a selection of Archive displays
•  Aspects of German Airborne Radar Technology 1942-1945 (airborne radar history)
•  Aspects of precision measurements (in Dutch language)
•  Athos, a German passive radar apparatus for U-boats, operating on 9 and 3 cm
•  Ausdehnungs-Thermometer, History of  Expansion Thermometer 1600 - 1848 (ATM)
•  Auxiliary radar (test) instruments (radar-gear)
•  ATM, Archiv für Technisches Messen, papers on scientific measuring techniques

B

•  Barkhausen-Kurz, retarding field (B-K)valve theory, H.G. Möller (ENT vairous)
•  Ballistische (Ballistic) Galvanometer, Flux, Kriechgalvanometer (ATM Various)
•  Bändchen mikrophon (Ribbon type microphone) Siemens & Halske (ENT various)
•  BCD counters, developed in Germany between 1940 - 1945 (BCD counters)
•  Beck (Horst) selection of pictures of his beautiful collection on radar, gyros, rockets etc.
•  Bedeutung der Frequenz- und Zeitmessung in der Schweizer Luftwaffe (Handbooks)
•  Berlin radar considerations FuG224, Berlin A, FuMO81 (Exhibits details, very down that page!!)
•  Berlin FuG 224 = FuMO81 radar, circuit discription handbook 1944/45 >Exhibits details !!
•  Berlin FuG 224 radar, manual and AGR details 1944 (Manuals)(Handbooks)
•  Bildtelegraphie, Lorenz-Korn system, 2 contributions, 50 years C. Lorenz anniversary
•  Blauschrift-Röhre type LB50, paper on The Skiatron or Dark Trace Tube (Handbooks)
•  BOA12 - MEK8 and MG15, carrier telephone systems, brief description by Helmut Schicke
•  Bolometer-Amplifier, (ATM various)
•  Boot & Randall's famous cavity magnetron patents of 1941, US2542966, US2648028
•  Braun's (Ferdinand) very significant patent on a 'whisker cristal detector' (1906)
•  British HF/DF operator recollections, during wartime convoy escorts (Huff Duff)
•  Broadcast stations permitted (authorized) by the Germans 1941 (Abhörverbot!)
•  Brown (patent) Microphone Amplifier, (≈1900-1920)(Archive displays)(exhibits)
•  Bruneval Report, T.R.E.(TRE) 6/R/25, on the Britsih raid of 28 February 1942(transcipt)

C

•  Calit & Calan, Hescho brochure on ceramics, state of the art of 1932/33 (Handbooks)
•  Cambridge A.C. Instruments for High Frequencies, Catalogue 162 of 1925/27
•  Carl Zeiss Stiftung, transcript of some interesting pages of CIOS report XXXIII-51
•  CAVMAG 2010, International Conference on 70 Years of the Cavity Magnetron
•  CAVMAG 2010, The Power and the Glory, intriguing story, by Phil Judkins
•  CFQ Quartz-clock, designed by Rohde and Leonardt of Rohde & Schwarz (CFQ)
•  Clausewitz's comments on: the successfulness of the (former) enemy (Huff-Duff)
•  Conducting properties of aluminium at high frequencies (FTM 1936)
•  Curious (small) archive displays (>curious archive displays<)

D

•  Dajeukolot (Dayeuh Kolot)(Dajeuh Kolot) radio station ≈ 1938 and 1989
•  Das neue Patentgesetz, paper on new German patent-legislation of 1936(Handbooks)
•  DASD-CQ, German radio amateur (Funkamateur) magazine of 1937, call-sign list!!
•  DASD-CQ, some of 1939/41 and 1944. Proving that >86 'D' HAMs got war-license!!
•  Der Weg zur Normfrequenz 50 Hz, by Gerhard Neidhöfer, Bulletin SEV/AES, 17/2008
•  Die Einheitsröhrenserie, article on the standardisation of valve(tube) base size (FTM)
•  Dielectric wires and waveguides (FTM 1938)
•  Diesselhorst Thermokräftefreies Kompensationsapparat 1906-1908 (Zs.f.Instrumk.)
•  Dijkstra's interesting recollections on: Radio-Malabar and his time in Dutch-Indies
•  Dioganes Bunker alignment data of MEK8 and BOA-12 of Bell Telephone Antwerp
•  Diversity reception, Gerät zur Auswahl des lauteren Übertragungsweges (ENT 1932)
•  DK-Classification (Dewey system), Über das Ordnen technischen Schrifttums (ENT)
•  Donnerkeil Unternehmung, Operation Cerberus, Channel Dash 12/2/1942(Handbooks)
•  Doppler patent US1981884, by Taylor, Young and Hyland of 13 June 1933 (Handbook)
•  Düsseldorf/Aachen talk ‘06, on Hülsmeyer and his early radar commitments, PDF-ppt

E

•  Ebbe Peedersen's, photos of German communication equipment about 1950 
•  e_km- und h_m-Rechner II am Fu.M.G.39TD (Flak), analogue computer to Wurzburg radar
•  Elektrometerröhren, electrometer valve(tube) technology, (ATM various)
•  Elektronenstrahl-Oszillograph (CRT-scope) literature list up to 1939 (ATM various)
•  Elektronenstrahl-Oszillograph, aspects of the history of CRT oscilloscopes (ATM various)
•  Elektrolytischen Trog, die Aufnahme von Potentialbildern, electrolytic bath (FTM)
•  Elster DMG2T, UHF telephone communication set (curious archive displays)
•  Enigma, aspects of wireless communications during the Battle of the Atlantic
•  Enigma, Naval type M4 for u-boats >1941 (U-Boot Schlüssel M4)(Archive displays)
•  Enigma manual M Dv Nr 32/1, Marine Druckschriftverwaltung Nr 32/1 (Handbooks)
•  Enigma, selection of basic patents & docs on the names of Koch, Scherbius and Korn !!
•  Enigma, schreibende Chiffriermaschine von Arthur Scherbius 1923 (Handbooks)
•  E.N.T. Elektrische Nachrichten-Technik, paper selection (in progress) (ENT various)
•  Ernst Lecher Institute, research report on radar ECCM technology 1945 (Handbooks)
•  Ernst Sachs' letter to Heinrich Himmler of 31 July 1944, on the use of radio amateurs
•  Erzeugung und Verstärkung von Dezimeter- und Zentimeterwellen H.E. Hollmann (TFT)
•  ES111, Die Ablenkstufe des Fernseh-Gemeinschaftsempfängers E1 (Telefunken-Röhre)
•  Europe Missed the Transistor, IEEE paper, (Weblinks)
•  Exhibits (radar- communication- audio recorder- measurement- apparatus)
•  Exhibits details new!
•  Exhibits new, Klooster exhibition

F

•  Fachvorträge über Schiffsfunkortung beim Oberkommando der Kriegsmarine (Radar)
•  Fading past and memories, about Mr van Oosten, Dijkstra and Poulsen transmitter
•  Ferdinand Braun's CRT (Cathode Ray Tube) paper of 1897 (Ann.d.Physik)
•  Ferdinand Braun's Nobel (Prize) lecture, held on 11 December 1909 (Handbooks)
•  Fernseh AG (GmbH) Hausmitteilungen (research & development papers) (TV-tech)
•  Fischer's (F.A.) paper on artificial beam forming, he was famous in sonar (ENT various)
•  Flensburg, FuG227, secundary radar aiming at the British Monica radars (Manuals)
•  FM broadcasting, future aspects (Method Armstrong)(Radio Mentor 1939/1941)
•  Franke Kompensationsapparat (Potentiometer)(Zs.f.Instrumentenkunde 1904)
•  Frequency & very accurate time measurements by the Swiss Air Force (Hans Jucker)
•  FTM, Funktechnische Monatshefte (in progress) (FTM various)
•  FuMB26 "Tunis" EW radar search receiver (Cuba Ia and Mücke). (Handbooks) (new)
•  Funkhöhenmesser FuG101a mit Frequenzmodulation, by Hans Jucker (Handbooks)

G

•  G-Schreiber T52d (SFM T52d), (Handbooks papers and product information)
•  German military Army and Navy wireless communications (some aspects of 1930-1945)  
•  German Electronic Engineering in the 1930s (synopsis)
•  German Radar during WW II (World War Two), (Exhibits, Displays and Subject details)
•  German Wartime Struggle to catch up with Allied Power Magnetron Technology (1943-45)
•  Gleichwellenrundfunk, synchronous-wave broadcasting, 3 papers (C. Lorenz)(ENT)
•  Gleichwellenfunk & gegenseitigen Modulationsbeeinflussung (Luxemburg-effect)(TFT)
•  Goliath, a 1 MW tuneable VLF transmitter, used for U-boat communications 1943/45
•  Grundlagen und Bedeutung der modernen Telegraphieverbindung (Telex) (FTM)
•  Gruppenhorch-Anlage Baumuster AN301 m,n Sonar, OKM July 1944 Anlagen 1-8
•  Gundelach CRT and special valve (tube) catalogue (Handbooks and papers)
•  Gyro system principles of Siemens-LGW and Patin, 1944, Bericht Nr.7 (Handbooks)

H

•  Handbooks, papers, manuals and product information (in progress)
•  Heegner (Kurt), aspects of his series resonance quartz oscillator patents
•  Hell technische Mitteilung, Entwicklungen (R&D)1929-1939, Rudolf Hell (Handbooks)
•  Heinrich Mannheim’s son Günther Mannheim, query: who knows about him? (Radar I)
•  Hescho ceramic capacitor catalogue, 1938 (Handbooks and papers)
•  Hescho product guide, very interesting product information (Hescho guide 1939)
•  H.F. Band Radars, paper on historical aspects of 'over the horizon' radars by H. Jucker
•  HF/DF versus U-boat wireless communications (Huff-Duff)
•  Hisentroll and Hisenvert, German apparatus, a British paper of 1946 (Handbooks)
•  History of televison, prior to 1937, Entwicklung des Fernsehens (Fernsehen&Tonfilm)
•  Hochfrequenz-Fachleute für die Luftwaffe, call for HF-electronic engineers of 1943
•  Hoelzer's talk on the design of the analog computer of the V2 (A4) rocket (Handbooks)
•  Hohentwiel FuG200, aspects of transmitter circuit design, Hans Jucker(Handbooks)
•  Hollerith machines, utilised by Speer's Ministry and for military statistics (BIOS 273)
•  Hollmann's interesting book on UHF technologies (1936), Righi, Mesny.. (Handsbooks) 
•  Hülsmeyer and the early days of radar inventions, sense and nonsense (Radar I)
•  Hülsmeyer memorial tablet, and a photograph of those whom contributed (Radar I)
•  Hülsmeyer's (Huelsmeyer) radio interview on 50 Years of Radar, 1954 (Radar I)
•  Hülsmeyer's coherer receiver of ≈1904/1905, replica (copy)(Archive displays)

J

•  Jagdschloß (Jagdschloss) radar FuG 404, technical trainings manual (Handbooks)
•  Japanese Wurzburg (Würzburg) copy 1944/45, It is known they got one but a photo?
•  Johann Philipp Reis, 1834-1874-1934, the inventor of the (word) "Telephone" (ENT)

K

•  Kathodophon microphone, ENT paper January 1929 (ENT various)
•  Kennelly (Arthur Edwin) 70 years (by K.W. Wagner)(ENT various)
•  Keramische Spezialmassen, special ceramic compounds, H.Handreck (Hescho '35)(ATM)
•  Knickebein receiver FuG28a, receiver of Crooked Leg system, exhibits, archive displays
•  Klein-Heidelberg, a parasitic radar system, which techniques has been recovered!
•  Klooster exhibits, to be opened only by those having fast internet access!
•  Köln E52, patent transcriptions on releated patent applications (Patent-Auszüge)
•  Köln E52, photos of the famous 1941 Telefunken "Luftboden-Programm" catalogue
•  Köln E52 Eichmaschine, an automatic photographical scale calibration apparatus
•  Köln E52 (koeln) main subject page (Köln E52 history)
•  Köln E52 receiver, how to re-calibrate its frequency scale professionally? (Köln E52)
•  Köln E 52 restoration project, Why do we need to restore Köln receivers? (Köln E52)
•  Kompensations-Apparate für Gleichspannung (ATM various)
•  Kootwijk catalogue of the November 2000 event on aspects of precision measurements
•  Kootwijk-Radio archives, its remaining paper and photographic documents, up to 2001
•  Kootwijk pictures, taken by Klaas Dijkstra in 1927
•  Korfu, radar search receiver, introduced very late 1944 or early 1945(archive displays)
•  Kriegstagebuch-Chef-TLR (KTB) Chef technische Luftrüstung, war diary Dec.'44-April'45
•  Kurier U-boat's, misterious, fast wireless signal system (1944/45)

L

•  Landsberg-Tagungsberichte, conference papers on "Navigation", HF/DF, (Handbooks)
•  LD20 reflex klystron and small magnetron, report by Dr. Bürck of Telefunken lab. EL5
•  Leichtmetalle als Austausch-Werkstoffe, paper on "Autarkie"(autarky) 1939 (ATM)
•  Lichtenstein radars FuG202 & FuG220 SN2, Hans Jucker (Handbooks and papers)
•  LMS10 vs CV64, TRE report on the parameters of the German magnetron copy of 1945!!
•  Lorenz 50 Jahre, fifty years anniversary of the C. Lorenz Company
•  Lorenz, applications on VHF and UHF, fifty years anniversay of C. Lorenz Company   
•  Luftboden-Empf-Programm, Telefunken's revolutionary receiver E 52 (Handbooks)
•  Luftfahrtröhren, German Air Force valves(tubes), including some commenced projects
•  Luminous quartz crystal photographs

M

•  M1K (=AS60), a magnificent Telefunken transmitter of 1943 (exhibits)(archive displays)
•  Magnesium Alloys, Production & Fabrication, I.G. Farben at Bitterfeld (CIOS XXIX-3)!!
•  Magnetic flux-deviation detector of a naval-mine 1939/45(Archive displays&Exhibits details)
•  Magnetron cavity strapping, from Hans-Joachim Fischer's book of 1956(Handbooks)
•  Magnetron cavity, have Randall and Boot really invented the cavity principle?
•  Magnetron split-anode type, Runge's paper of 1934 (Telefunken Zeitung '34)
•  Magnetron cold strapping gear?  !!
•  Magnetron, F.F.O. report on their magnetron design ("Arbeitskreistagung" March'44)
•  Magnetron strapping technology (Handbooks&papers)(LMS10 versus CV64)
•  Magnetron strapping invented by Mr J. Sayers in 1941 patent US2546870
•  Malabar Radio, Telefunken-Zeitung paper of October 1925 (Handbooks)
•  Max-A and Max-P, an advanced DF homing system (Blaupunkt 1944/45)(Handbooks)
•  M.Dv.Nr 35, manual to G-Schreiber T52d (Geheimschreiber)+OKM NWa 1785/44 gKdos 
•  Metox Saga, U-boat's radar warning receiver (Huff Duff)
•  Military (telephone) line communications, deployed by the Germans, prior to 1945
•  Mischgerät (Mischgeraet), the analog computer of the V 2, (exhibits and displays)

N

•  Na- stock-list, Kriegsmarine Nachrichtenmittel, test gear of the German Navy 1944  
•  Navigational aids (including the German "Beams" against Britain)
•  Naxos, a German mobile radar direction finder  (Manuals)
•  Notlandung eines B-17 mit APS-15 an Bord, in der Schweiz (History of radar)
•  NVK, German Naval Communications Research Establishment (1920 - 1945)

O

•  Oslo report of November 1939, Hans Ferdinand Mayer and R.V. Jones (Handbooks)

P

•  Patent selection, of interesting German patent numbers, (in progress)(Patents DE) 
•  PDF documents, how to approach it for keywords effectively
•  Phased array basics, brief introduction, by Hans Jucker (Handbooks)
•  Philips Works at Eindhoven, Cios visit on 23-26 September 1944 (by R. Watson-Watt)
•  Physikalisch-Technische Reichsanstalt (PTR), CIOS Report No. XXX-36 (FIAT-CIOS-BIOS)
•  Poulsen transmitter at Radio Malabar, (pictures originating from Dijkstra's archive)
•  Precision time measurements in Germany prior to 1950 by means of quartz crystals
•  Product information on, Siemens & Halske, Hartmann & Braun, Steatit-Magnesia
•  PTE (now Rohde & Schwarz) product catalogue 1938
•  PTR quartz-clock, designed by Giebe and Scheibe of the German Bureau of Standards

Q

•  Quatz crystals made by Dutch PTT in the 1950s and 1960s (Alblas Collection)(Archives)
•  Quarzuhren (Quartz clocks), 4 papers by A. Scheibe of the German PTR (ATM various)
•  Quecksilberthermometer PTR, Mercury precison (Hg) thermometer, (ATM various)

R

•  Radar, 100 Years, about Christian Hülsmeyer's inventions 1903/1904(history of radar)
•  Radar experiments on 4.7 cm, Doppler and puls techniques in the US by GE (FTM 1937)
•  Radar history, Vorgesch. 1. Generation Frühwarn - Radar bis ca. 1960 H.Jucker (8 MB)
•  Radar News 19, (Funkmessnachrichten 19) of 25.2.1945, British post war translation!!
•  Radar, RCM versus Wurzburg(Würzburg), transcription of U.S. wartime publications
•  Radar, who invented it? A survey on Christian Hülsmeyer (Huelsmeyer) and others
•  Radio Luxemburg effect, Cross-Modulation phenomena (FTM)
•  Radio Mentor, selection of papers on: TV, FM broadcasting, microphone (1939-1941)
•  Rationalization of future German Radio Industry 1939 (Radio Mentor)
•  Rehbock, an ingenious German range calibrator  (Auxiliary Radar test-gear)
•  Reis telephone of about 1861-1865, the microphone and its sound reproducing gear
•  Rel.mse.2030a circuit description "Rel beschr 755a", audio spectrum analyzer 1935/36
•  Report on a trip to the V2 (=A4) launching site, The Hague in Holland, December 1944
•  Resotank Type HB14, article Zs f.Hochfr.&Elektroakustik June 1943 (Handbooks)
•  Reisz Mikrophon (Reiss microphone) (curious archive displays)
•  Rufzeichenliste German 'Funkamateure 1937', 'Funkliebhabersender' (DASD-CQ 1937)
•  Rukop's paper on Telefunken valves (tubes)(selection) (Handbooks and papers)
•  Runge Wilhelm T., letter to Fritz Trenkle 1983 (contribution to the history of radar)

S

•  Schering-Messbrücken (Schering Bridge) (ATM various)
•  Schering Vibrationsgalvanometer mit elektr.magn. Abstimmung (Handbooks)
•  Schlüssel M4 Begleitpapiere, of Naval Enigma No.15835, which never reached Kiel
•  Schlüssel M4 famous German 4 rotor Enigma & text-printer Schreibmax (Archive displays)
•  Schluesselregeln fuer die Wehrmacht 1 April 1944 concerning Enigma & G-Schreiber ..
•  Schornsteinfeger project, allied report on aspect of German Stealth technology 1944/45
•  Seetakt radar modules, employing TS1 and TS1a valves + module TU106 (TS6) (Gema)
•  Siemens condenser microphone type SM7a (Radio Mentor)+(Siemens Zs. 1940)
•  Siemens & Halske telephone measuring catalogue 1940 (selection)(Siemens cat. 1940)
•  Siemens & Halske, classical pre-war components (in progress)(Handbooks leaflets)
•  Siemens-LGW Kurssteuerung, das Regelprinzip, Kü4 and K12 gyro system (Handbooks)
•  Siemens-Übermikroskop, Borries' and Ruska's Electron-Microscope apparatus (1940)
•  Siemens-Verdan system for telex error corrections on wireless links (Handbooks)
•  Some aspects of ONS 5, the convoy that changed the Battle of the Atlantic (Huff Duff)
•  Some aspects of the history of radar, 1910 up to 1937 (Radar II)
•  Sonar, U-boat's Gruppenhorchgerät (GHG) (Group listening apparatus)
•  Spiegel-Galvanometer Kipp&Zonen Delft Holland, Zernike, Moll-Dyck (ATM various)
•  Steeg surplus catalogue of 1958, a very impressing source of information!!
•  Stenzel's paper on: bearing patterns of grouped radiators (ENT various)
•  Sternmodulator als Doppelgegentaktmodulator (alternative to a ringmodulator)(TFT)
•  Subject details (about us)
•  Subject reference dBase (pdf), our quick facts and data source finder (in progress)