Circa 1930s-1950s trade lit for a company that specialized in supplies for naval and merchant marine vessels and buildings: dome lights, cabin lighting fixtures, gear pumps, propellers, lavatories, toilets, searchlights, alcohol heated stoves and water heaters, exhaust fans and ventilators, steering wheels, pumps and generators, gear controls, signs and signals, buoys, windshield brackets, hooks, ladder locks, drive shafts, couplings, pulleys, oilers, mast tracks and sliders, the Observoscope star finder and directional instrument, reverse gear controls, horns and sirens, locks, etc. Perkins also sold objects for landlubbers: a "Star-Pathfinder Automobile Compass and a line of marine-themed lamps for the home. History of the company can be found at: http://www.perko.com/pstory.html