Balopticon Model 4102-3 1/2
Projector
Balopticon Model 4102-3 1/2
Portable Filmstrip Projector
ca 1930
Metal and glass
Overall: 8 1/8 × 3 5/8 × 6 1/2 in., 6.3 lb. (20.6 × 9.2 × 16.5 cm, 2.8 kg)
Gift of the 3M Foundation, ex-collection Louis Walton Sipley, 1977
DescriptionSerial# 103413 Crackled-black, rectangular, 35mm filmstrip projector with 3.5" projection lens, 100-watt mazda lamp, relfector, condensor lens, Edison plug and black handle.
Inscriptions Embossed in silver on plate above lens: BAUSCH & LOMB OPTICAL CO. ROCHESTER, N.Y., U.S.A. NO. / Stamped in silver on plate above lens: 103413 / Embossed in silver behind door on right side of projector: USE SAFETY FILM ONLY
