A Periscope Attached to Field-Glasses
Contenuto
- Titolo
- A Periscope Attached to Field-Glasses
- Article Title and/or Image Caption
- A Periscope Attached to Field-Glasses
- Caption: The frame is collapsible so that the entire periscope can be concealed within the usual field-glass casing.
- Autore secondario
- Charles F. Smith (inventor)
- Lingua
- eng
- Copertura temporale
- World War I
- Data di rilascio
- 1917-01
- pagine
- 32
- Diritti
- Public Domain
- Referenzia
- New York
- Archived by
- Besleu Dinu
- Alberto Bordignon (Supervisor)
- Copertura territoriale
- Brooklyn
