plano-concave lens
Date: 1950-1970
Inventory Number: 2006-1-0024
Classification: Lens
Maker: Edmund Scientific Corporation (1950 - 2000)
Cultural Region:
Place of Origin:
Dimensions:
lens: 3 × 3 × 0.3 cm (1 3/16 × 1 3/16 × 1/8 in.)
Description:
Plano-concave lens, diameter 28mm, focal length -66, stored in a small envelope.
Signedstamped on envelope: EDMUND SCIENTIFIC CORP. / BARRINGTON N. J.
Inscribedstamped on envelope: ONE LENS / TYPE PLANO CONCAVE / DIAMETER 28 MILLIMETERS / FOCAL LENGTH -66 MILLIMETERS
Historical AttributesSalvaged from Science Center prep room by Owen Gingerich.
ProvenanceSalvaged from the Science Center Prep Room, courtesy of Prof. Owen Gingerich.