Accession No

4631

Brief Description

milliammeter, English late 20th century

Origin

England

Maker

R.S.

Class

electrical

Earliest Date

1970

Latest Date

1990

Inscription Date

Material

plastic (5 types); metal (copper, 2 others)

Dimensions

breadth 129mm; depth 128mm; height 110mm

Special Collection

Provenance

Donated on 30/07/1997.

Inscription

‘TYPE No.MR 30 M.C.
RS
MADE IN ENGLAND’ (at LH bottom corner of meter face, partially hidden)
‘1mA 75mV FSD
B S 89 In GRADE’ (RH bottom corner of face, partially hidden)

Description Notes

Milliammeter mounted on grey plastic base. Two plastic terminals at top, one red one black, connected to metre by wires attaching onto metal terminals with nuts on back of meter. Metal needle moves over scale behind perspex cover divided on outside 0 - 10 numbered by 2 graduated to 0.2; divided on inside 0 - 3 numbered by 1 graduated to 0.1. Marked ‘mA’, denoting units measured. Zero adjustment on front.

Condition good; complete

References

Events