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Two-decade resistance box, ebonite

Year/Period

1939-1949

Maker

BLEEKER

Country

The Netherlands

Signature

DR C.E. BLEEKER / UTRECHT – HOLLAND

Category

Electrical measuring equipment

Subcategory

Variable resistance boxes

Type

Control equipment

Donated by

P.P. de Bruijn, Zeist, the Netherlands

Inventory number

SM 338