N4MW Code Practice Oscillator Museum

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Key Style Code Practice Oscillators
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Japanese key buzzers

Herman H. Smith Cat No. 2443 Code Practice Key & Buzzer Set Shield SW-134 Telegraph Key with Buzzer Eagle Products MCK-2 2 Station Code Kit Herald SW-134 Telegraph Key with Buzzer Herald SW-12A Key Buzzer (package variant) Calrad key/buzzer w/original box Olson SW-134 Telegraph Key with Buzzer AMD Electronics #85-110 Code Practice Key & Buzzer Philmore Electronics Products Model CP250 Code Practice Set w/box Philmore CP-250 Key Buzzer (package variant) Boy Scouts of Canada #71-287 Signal Set ARMACO (R. Mack & Co. LTD) TELB Code Practice Key and Buzzer Argonne Electronics Mfg, Corp, [sic] AR-323 Telegraphic Key w/Buzzer Argonne Electronics Mfg AR-323 Telegraphic Key w/Buzzer (package variant) Calrad KB 1.5 Buzzer (Older style box) ALCAD Model AL-353 key buzzer Herald SW-12A "Telegraph key with buzzer" Archer (Radio Shack, Tandy, Skillman) Cat No. 20-1087 Code Practice Set Rystal T-98A key buzzer Monarch KY-100 Telegraph Key with Buzzer Lafayette Model No. MS438 Code Practice Set ITC Code Practice Set Symphony Code Practice Set  SATO No. 3710 Electric Key w/buzzer SATO No. 3710 Electric Key w/buzzer Japan keybuzzer, plain box HUDINCO USB-3 Code Practice Key with Buzzer OHTA NO-1002 OTA DENKI Telegraph Key with Buzzer

Johnson/NYE

E. F. Johnson Model 460 Speed-X "Practice Set" key/buzzer Wm. Nye integrated code proctice oscillator with Speed-X key on weighted base Nye (?) (gray hammertone)

Monarch/Midland/TTC/Veritas

Monarch KY-100 "Square Code Practice key with buzzer" Monarch Model KY 200 Morse Code Kit Monarch KY-104/BZ-100 key buzzer combination

Midland Model No 25-101 Code Practice Set TTC Model F-1003 Code Practice Set Veritas model V-630 Code Practice Key and Buzzer

ICA Triplex

ICA Insuline Corporation of America Triplex Radio and Telegraph Signal Practice Twin Set No. 71 Triplex Twin Set No. 71 Radio & Telegraph Signal Practice Set Insuline Corp. of America (ICA) "Triplex Radio & Telegraph Code Practice Set" ICA Triplex No. 70 Code Signal Set E. K. Manuel Inc., Star Signal Set

Signal/Strauss/etc.

 Signal wood base with code chart Unknown keybuzzer Menominee Electric Mfg. Co. key buzzer Strauss R-68 Wireless Practice Telegraphy Key in box Signal Electric Mfg. Co., model R70 Signal Jr. Twin Wireless Practice Set Signal Electric Mfg Co. R-69 Practice Set in box RCA Institutes Inc. key and buzzer on base Strauss Mechanical Toy Co., Standard Radio-Telegraph Signal Set No. 150 Strauss Standard Radio Telegraph Signal Set

Miscellaneous/Classic

"Mousetrap" style key-buzzer Johnson Smith & Co. Dot 'N' Dash Sending and Receiving Telegraph Set Codemaster key buzzer McElroy rectangular base key with "hummer" buzzer Lafayette Code Practice Telegraphic Set no. F-552 Lafayette Radio Code Practice Telegraphic Set 99-2506 Alden Telegraph Code Practice Set International Electric Co. Model A Radio Telegraph Code Tutor cp267tn.jpg (2625 bytes) Philmore Electronics Products Model 750 Telegraph Code Practice Set (J-37 key variant) Philmore Electronics Products Model 750 Telegraph Code Practice Set (chunky key variant) Philmore Electronics Products Model 750 Telegraph Code Practice Set (die cast key variant) Philmore No. PO200 Solid State Code Practice Oscillator Jos. M. Zamoiski "The Electrifier" key buzzer/light practice set Korean HK-233 key with built-in oscillator Liberty key buzzer Unknown practice set with light/buzzer/sounder (not original key) Unknown antique key buzzer

MFJ/Vectronics  

Vectronics VEC-212 Practice Oscillator MFJ 557 "Deluxe Code Practice Oscillator" w/integrated key

Heathkit

Heathkit/Daystrom model SK-80 Science Series Code Sending Kit Heathkit SK-102 Code Practice Oscillator

Uncle Sam

Uncle Sam Morse Code Record and Signal Key No. S-300 Uncle Sam No. 575 Morse Code Signal Key

Connecticut

Connecticut Telephone & Electric Corp key buzzer set Connecticut 3-Way Telegraph Set 1701-W (two units)

Metal Signalers

Gilbert Tele-set key buzzer Fleron metal key buzzer Official Boy Scout Radio Blinker Telegraph Fleron Official Boy Scout Radio Blinker Telegraph No. 1095 - older yellow box version  Playmore Inc. metal key buzzer

Plastic Signalers

Fleron "Code Practice Buzzer" key/buzzer. Fleron Signaler No. 1096-B Radio Code Practice Set Aurora Plastics Kit No. 1601 Telegraph Signal Set Fleron Official Signaler No. 1097 K & B Mfg., Telemaster Morse Code Set Fleron Signaler set No.1213 Fleron Official Signaler No. 21096 Fleron Official Signaler Double Set No. 21096B (includes blinker cases)  K & B Manufacturing Stock No. 1602 Twin Telegraph Set Aurora twin telegraph set Brumberger Codemaster Telegraph Signal Set Brumberger 395 (396?) Telegraph Signal Set with Morse Record (display box/logo on key) Brumberger No. 325 Official Codemaster Radio-Telegraph Signal Set with morse code instruction record Air Champ Western Union model M. V. 400 Standard Radio-telegraph Signal Set Codemaster Telegraph Signal Set IDEAL (Brumberger) model 5396 Telegraph Kit Playmore Inc., New Improved Western Union Telegraph Signal Set

Boy Scout

Brumberger No. 396 Official Codemaster Telegraph Signal Set Official Boy Scout No. 1096 Signal Set in box Official Boy Scout No. 1098 Twin Signal Set in box John P. Ryan Co. Official Boy Scout Triple-Signal Set John P. Ryan Co. Official Boy Scout Triple Signal Set (note BSA emblem) Fleron Official Boy Scout Signaller Boy Scout No. 1096 Signal Set in box Fleron (BSA Supply) Official S-O-S Signaler Official Boy Scout Twin SOS Signaller set No. 1213 Official Boy Scout Twin Signal Set BSA key buzzer set (aluminum construction) BSA National Supply Service No. 1092 Official Boy Scout 3 way Signal Training Set

Space Station Toy Sets

Space Station Morse Code Signalling Set No. 107 Fairylite No. 107 Space Station Morse Code Signalling Set, Hong Kong, toy key buzzer, yellow Space Station Morse Code Signalling Set

Toy Sets

Elkay Mfg. A-1 Postal Telegraph Tri-Signal toy set Tri-signal Delux Telegraph Set (package variant) Tri-Signal Telegraph Set Elkay Tri-Signal Telegraph Set (modernized package) Aerovox Corporation E-Z-code Jr. E Z-101 buzzer/electric pencil Pressman Toy Corp Code & Decode Message Set Pressman Toy Corp Code & Decode Message Set (single) Woodham Metal Stamping Co. Inc "The Master Tri-Signal Set" Woodham Metal Stamping Co. Inc "The Master Tri-Signal Set" No 100 S. B. Mfg Co. Western Union Deluxe Radio-telegraph Signal Set No. 200 (package variant) S. B. Manufacturing Western Union Telegraph Signal Set Western Union Standard Radio Telegraph Signal Set No. 164 S. B. Mfg Co. Western Union Deluxe Radio-telegraph Signal Set No. 200 AIRGAM S.O.S. Receptor Transmisor "Morse" Ref 906/1 (Spain) AIRGAM S.O.S. Receptor Transmisor "Morse" Ref 906/2 (Spain) WRL No. 66-008 Message Master Professional Model Transistor Code Practice Set Laurie Toys Signal Operators Set Masudaya Mobile Communication Set tin toy KDP Japan Tri Signal Telegraph Set B. G. L. Morse Telegraph Set Firma Geobra Morse apparat, made in 1939 - made in Germany Unknown Key Buzzer DAVECO Telegraph Keys Set Pastime Projects (NN8G) "Li'l Jay-Key" Learner's CW Key Kit w/buzzer

British, Canadian & Down Under, etc.

 Irwin Desman LTD NSN 6940-99-219-2848 Morse Key Trainer Morse Practice Oscillator CATG. No. 5805-99-199-8969 British Buzzer Practise 10F/4067 Signalling Equipment LTD Buzzer Practice Ref No. 1261 Wilson Buzzer, Practice, Cadet Type Model W-68 "Doodle Bug" SCOUTMASTER model Morse Key (note cycle battery) Merit 350 Morse Signalling Outfit Merit Morse Signalling Outfit Cat No. 350, J & L Randall LTD (package variant) Buzza key buzzer, made in Sydney Australia Blue Point key buzzer X10B from Australia Blue Point key buzzer XX20B from Australia Wilson Junior Model Wireless Practice Set Military key/buzzer set from New Zealand Rogers Electronics of Harrogate British military practice key IVALEK No. 559 Morse Transmitter "Doodle Bug" ROVER model Morse Key Tangent "British Made: Buzzer 24 Y D. C. with Military key Buzza Morse Code Apparatus No. 0 Radio Telegraph Set Morse Equipment LTD B21000 practise set with Hi-Mound HK708 key Glotone morse code key buzzer Modern CPO with Key from Yugoslavia Grimmer-Wilson No. 10A/726 (Canada) Blue Point key buzzer XX20A from Australia Milag Model 87 Tusto con Oscillatofono, Italy Russian practice key and oscillator, "UEHA" Unknown practice key and oscillator (Greece?)
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