Diving faceplate for underwater work

Titolo: Diving faceplate for underwater work
Oggetto: en Technology; en Personal protection (other)
Article Title and/or Image Caption: Image Caption: Shallow sea-diving without the costly and cumbersome equipment usually needed for underwater work, can be done with this diving "faceplate" designed by Richard B. Comstock, U.S.N
extracted text: SHALLOW-SEA DIVING, with-
out the costly and cumbersome
equipment usually needed for
underwater work, can be done
with this diving “faceplate” de-
signed by Richard B. Comstock,
U.S.N. Consisting of an oval
frame fitted with a glass window
and a sponge-rubber cushion
around the edge to make a
watertight contact, the plate is
held on the. wearer's head by
means of straps. Fresh air en-
ters through a hose connection
at the top of the plate; exhaled
air passes out through one-way
valves at the bottom.
Autore secondario: Richard B. Comstock (designer)
Lingua: eng
Copertura temporale: World War II
Data di rilascio: 1944-01
pagine: 95
Diritti: Public Domain (Google digitized)
Sorgente: Google Books
Referenzia: United States Navy
Archived by: Lorenzo Chinellato; Marco Bortolami (editor)
Copertura territoriale: United States of America