meniscus lens
Date: 1942-1950
Inventory Number: 2006-1-0025
Classification: Lens
Maker: Edmund Salvage Company (fl. 1942 - 1950)
User: Science Center Prep Room, Harvard University (founded 1974)
Donor: Owen Gingerich (born 1930)
Cultural Region:
Place of Origin:
Dimensions:
lens: 2.9 × 2.9 × 0.8 cm (1 1/8 × 1 1/8 × 5/16 in.)
Description:
Lens stored in an envelope.
Signedstamped on envelope: EDMUND SALVAGE COMPANY / P. O. AUDUBON NEW JERSEY
Inscribedstamped on envelope: ONE LENS / TYPE MENISCUS / DIAMETER 29 MILLIMETERS / FOCAL LENGTH -51 MILLIMETERS
in pencil on envelope: 28.7
in pencil on envelope: 28.7
ProvenanceSalvaged from the Science Center Prep Room, courtesy of Prof. Owen Gingerich.