Electrical Experimenter 1917-08.jpg American Legion 1932-08ThumbnailsScientific American 1882-06-24American Legion 1932-08ThumbnailsScientific American 1882-06-24American Legion 1932-08ThumbnailsScientific American 1882-06-24American Legion 1932-08ThumbnailsScientific American 1882-06-24
Submarines attempting to look through their periscopes will be in trouble if their target has a giant searchlight and can use it for "Blinding the Submarine."



Artist:

Source: Internet Archive

Restoration by: magscanner