tuning eye
Inventory NumberVT0925
ClassificationVacuum Tube
Place of OriginUnited States
Dimensions10.5 × 3.8 × 3.8 cm (4 1/8 × 1 1/2 × 1 1/2 in.)
FunctionRadio
Polaroid Corporation
Date: 1961-1963
Object number: 2004-1-0180
Polaroid Corporation
Date: 1960-1963
Object number: 2004-1-0189
George Wald
Date: 1954
Accessories: absorption cell with a solution of rhodopsin
Object number: 2001-1-0003
