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2 A cost-effective way of making a sturdy demonstration periscope
First application of the periscope to submarine warfare is usually credited to Simon Lake in 1902, although there is a report that an Italian, Triulzi, demonstrated such a device in 1901 calling it a cleptoscope.
A modern submarine periscope incorporates lenses for magnification and functions as a telescope. It typically employs prisms and total internal reflection instead of mirrors. It may have additional optical capabilities such as range finding and targeting. The mechanical systems of submarine periscopes are typically hydraulically powered and need to be quite sturdy to withstand the drag through water. The periscope chassis may also be used as a radio or radar antenna.
A cost-effective way of making a sturdy demonstration periscope
Equipment Required (to Make Demo Periscope)
Method for making the demonstration periscope