Significance

Related to objects 451 and 452

Physical description

Resistance decade box constructed with a rectangular wooden body and black plastic top displaying five large dials and fifteen smaller dials. Unit measurements are inscribed beneath each dial.

Inscriptions & markings

Left to right on top panel surrounding dials: 'INT / OHMS AT 20 C MANGANIN / PURCHASED BY UNIVERSITIES COMMISSION / J. L. WILLIAM MELBOURNE'
Adhered label at center of top, between dials: 'Part 2 W B S'
Long front side has an metal panel with paper label and PVC covering demonstrating setup that has 'SERIAL No 416' engraved along upper edge.