Hg discharge
Inventory NumberVT0903
ClassificationVacuum Tube
Maker
Raytheon Manufacturing Company
founded 1925
Cultural Region
Dimensions13.5 × 5.1 × 5.1 cm (5 5/16 × 2 × 2 in.)
Description2 CONCENTRIC ANODES SP 1 mm??
Raytheon Manufacturing Company
Date: 1929
Object number: VT0589
Westinghouse Electric & Manufacturing Company
Date: after 1922
Object number: VT1150
