Ultralight Flashlight. New Haven: Petrie and Lewis Mfg. Company, ca. 1920. Essentially a telescoping flashlight with a battery compartment for three small batteries; when opened, the small bulb inside is reflected by the chromed interior to produce a strong beam of light. Stamped with the manufacturer''s details and the name of the product on one end. Scattered surface wear and scratches. Lacks bulb and celluloid lens. Good condition. 3 ? x 2 ??. Petrie designed these pocket lights with hopes to sell them to boy scouts and other outdoorsmen, but the experiment proved mostly unsuccessful.