Instructions for the installation, use and care of the Fiske range-finder and range-indicator
A United States Navy Bureau of Ordnance manual of 1894 giving installation, use and care instructions for the Fiske range-finder and range-indicator, an instrument for measuring distance to a target at sea. The pictures are plain black-and-white engravings and photographs of the instrument's internal mechanism, its dial and scale, and a wiring diagram, showing exact technical layouts a designer could draw on for mechanical or schematic motifs.


