The serial number is GPO 6. Used for transmitting morse code over land lines in the 19th century. Mike / M0DVO adds: "This type of key is a Double Current Key, but achieves the polarity …

Standard Morse key 1222, made for the General Post Office, unknown maker, British, 1880-1950. Morse keys were used to send telegraph messages using Morse code. It worked using a bar …

Another View of the Marconi 365-Style Key: Ivalek Standard Morse Key. Ca. 1950: Close-Up of the Ivalek Name: Key Used by NATO Forces: Inside the NATO Key: Marconi Marine Z-50: …

An ancient find (?) a very nice early PO style Telegraph Key. The knob on this key is superb. Knobs were originally turned from horn but later production runs used wood. ... Pye & Co Ltd. …

MORSE TELEGRAPH KEYS DENNIS J. GOACHER G3LLZ ... The mechanical ftnction of the key differs in its operation from the conventional key in a fundamental way. The conventional …

A telegraph or Morse key, sends a series of electrical signals down a telegraph line or via radio frequencies; the signals are interpreted as Morse code, a binary form of language constructed …

Russian miniature key; S-R Cotel Straight Key; 9740 WW-II Tsjech military key; The American J-45; Key and Plug Assembly No.9 ver.10.1; US military CTE26003A key; Key and Plug …

Samuel Morse invented a signalling system of dots and dashes, which eventually became known as Morse code. ... Key, S.C. (Short Circuiting) with switch (8" x 4.5" x 2.75") Drawing - 1287 . …

A collection of morse telegraph keys and radio equipment from around the world

Morse code for "po" What is Morse Code? Morse code is a method of encoding text characters using sequences of dots (.) and dashes (-). It was developed in the early 1830s and 1840s by …