Sujet

Photograph showing one of the world's smallest water-cooled valves, being compared with a large one

Légende

Photograph showing one of the world's smallest water-cooled valves, being compared with a large one. Dated 20th century

Date

20e siècle

Crédit

Photo12/Ann Ronan Picture Library

Notre référence

ARP23A18_239

Licence

Droits gérés

Format disponible

60.0Mo (2.7Mo) / 31.9cm x 47.1cm / 3767 x 5567 (300dpi)

Mots clés

Photograph Photography Black and White Black and White Photograph Black and White Photography Radio Radio Broadcast Broadcast Broadcasting Radio Waves Radio Technology Wireless Water-Cooled Valve Valve Water 20th Century Photograph Photography Black and White Black and White Photog