Sujet

A Photograph Of Sound Waves

Légende

Bell Telephone Laboratories: June 20, 1950.
F.K. Harvey demonstrates the focusing of of an acoustic lens on sound waves emitted from the horn at left.

Crédit

Photo12/Underwood Archives/UIG

Notre référence

UMG20A21_359

Model release

Non

Property release

NA

Licence

Droits gérés

Format disponible

46,5Mo (1,2Mo) / 40,6cm x 28,7cm / 4800 x 3386 (300dpi)

Mots clés

waist up 1035-988 1940's 1940s 1950 1950's 1950s Fifties 40-45 years B & W B&W B W Bell Labs Bell Telephone Laboratories Caucasian ethnicity USA acoustics black & white black and white business discovery emitting historic historical holding horizontal indoors industry laboratory male man monochromatic monochrome noise one mature male only one mature man only one person one person only people photography research science scientists single person sound wave standing suit technology vibration vintage visual waist up