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Mirror galvanometers

Year/Period

1940-1960

Maker

BLEEKER

Country

The Netherlands

Signature

SM 343.1: SIMPLEX / DR C.E. BLEEKER / UTRECHT / No 4695.
SM 343.2: SIMPLEX / DR C.E. BLEEKER / N.V. / ZEIST / No 11543.
SM 343.3: SIMPLEX / DR C.E. BLEEKER / N.V. / ZEIST / No 29995.
SM 343.4: ongesigneerd.
SM 343.5: SIMPLEX / DR C.E. BLEEKER / N.V. / ZEIST / No 29988.

Category

Electrical measuring equipment

Subcategory

Galvanometers

Type

Measuring equipment

Donated by

P.P. de Bruijn, Zeist, the Netherlands

Inventory number

SM 343

Description

Five Bleeker mirror galvanometers.

A mirror galvanometer is an electromechanical instrument that indicates that it has sensed an electric current by deflecting a light beam with a mirror. The beam of light projected on a scale acts as a long massless pointer.

SM 343.1: Mirror galvanometer Simplex with prism, Bleeker serial number 4695.
SM 343.2: Mirror galvanometer Simplex, Bleeker serial number 11543.
SM 343.3: Mirror galvanometer Simplex, Bleeker serial number 29995.
SM 343.4: Mirror galvanometer (seems repaired), without serial number.
SM 343.5: Mirror galvanometer Simplex, Bleeker serial number 29988.

For more information see the original Bleeker brochure (in Dutch).