


Small periscope
1897

Tank periscope

Periscope used in the trenches

Periscope no.4
1917

Periscope with square mahogany body (17" long)

Periscope for use in trenches by R.& J. Beck Ltd.

Periscope, French, 1900-1925

Two-power artillery periscope by C. P. Goerz
1917

Periscope in brass no.130
The Vimos periscope
1931-1941