Periscope, "Vimos" Periscope, 1936 Patent pending

Physical description

Cardboard periscope - folded with two mirrors. Directions for use are included on top and bottom.

Inscriptions & markings

Top: "Directions for use . . ."
Bottom: "Directions for use . . ."
"VIMOS PERISCOPE"
PAT APP FOR NO 25973 / 1936

Back to top