‘tubes’ historical pictures (exact matches)

Madame Curie
Madame Curie
Alexander Fleming and the discovery of penicillin
Alexander Fleming and the discovery of penicillin
The Forth Bridge, from North Queensferry
The Forth Bridge, from North Queensferry
Dispatch tubes in a cashier's office
Dispatch tubes in a cashier's office
Ransomes and Sims' Ten-Horse Power Engine with Biddell and Balk's Boiler, showing the Method …
Ransomes and Sims' Ten-Horse Power Engine with Biddell and Balk's Boiler, showing the Method …
Page from Army and Navy Stores Catalogue, 1939–40
Page from Army and Navy Stores Catalogue, 1939–40
The New Harbour at Dover, Channel Communications between England and France
The New Harbour at Dover, Channel Communications between England and France
Discharge tubes- various types of anode and cathode
Discharge tubes- various types of anode and cathode