Heathkit Visual-Aural Signal Tracer, Model IT-12, 3 Vacuum Tubes, Metal Cabinet, Made In USA, circa 1962

UR5VDM Two-Lever Wrench

Larry Mueller’s W8RLT Amateur Television Station, Livonia, Michigan, circa 1960

EK4ACI self-oscillating Hartley transmitter, circa 1926

EA6VQ EME (Earth-Moon-Earth)

W1AE, circa 1950, operating his 40-meter rig in his basement radio shack. He sends Morse code with his right hand while holding a pencil in his left. This was a common practice among commercial radio operators of the era, allowing them to copy incoming messages by hand while continuing to transmit.

JI3CWI QTH

The first amateur superheterodyne receiver, an illustration for a do-it-yourself article in a 1920 amateur radio magazine.

VE2UN Amateur Radio Club, circa 1962

National NC-125 Communications Receiver (1950)

Hallicrafters SX-28A “Super Skyrider” Shortwave Communications Receiver (1944–1946)

WHAT IS YOUR EXCUSE? Bad key! Bad mill! Too hot! Too cold! Key not adjusted! Too fast! Too slow! Can't copy my own sending! Too nervous! Too tired! PERFORMANCE COUNTS! Southeastern Signal School, Georgia, circa 1951.

PA3GUO Antenna

Short Wave Regenerative Receiver, Combining RA Tuner and DA Amplifier in One Cabinet, 1922.

KN9TAN Hamshack, Wisconsin, circa 1959

Radio Mechanics, October 1926 - edited by M. B. Sleeper. Cover attributed to Howard V. Brown as the artist responsible for the cover paintings. The first issues were designed around practical construction, circuits, components, experimentation and explanations.

7el LFA 6M & KT34XA Tribander HF Beam, SK6EI Club

Raspberry Pi Setup for D-Star Access Point

"A Low-Cost Single-Signal Receiver" build-it-yourself project described in the October 1938 issue of QST in an article by George Grammer. It was subsequently included in the 1939 edition of The Radio Amateur's Handbook.

Wes Schum (L), W9DYV, and Joe Batchelor (R), K9KMY, demonstrating the advantages of single-sideband (SSB). Georgia, circa 1956