Accession No

4571

Brief Description

10 items of miscellaneous electrical equipment associated with carbon dioxide laser

Origin

Maker

Class

electrical

Earliest Date

Latest Date

Inscription Date

Material

metal; plastic; wood

Dimensions

4571.1 length 210mm; breadth 209mm; height 199mm; 4571.2 length 300mm; breadth 257mm; height 329mm; 4571.3 length 226mm; breadth 122mm; height 134mm; 4571.4 length 170mm; breadth 172mm; height 101mm; 4571.5 length 225mm; breadth 235mm; height 95mm; 4571.6 length 172mm; breadth 128mm; height 219mm; 4571.7 length 153mm; breadth 175mm; height 305mm; 4571.8 length 345mm; breadth 105mm; height 135mm; 4571.9 length 324mm; breadth 245mm; height 160mm; 4571.10 diameter 99mm; thickness 35mm

Special Collection

Provenance

Gifted by the Department of Engineering, University of Cambridge, on 14/10/1996.

Inscription

see description notes

Description Notes

4571.1 Metal cylinder, with black plastic(?) fronting and semi-circular dial divided from 0 -180 right to left, marked in 10s, plus rotating (?) metal pointer , spanning 0-10 from right to left, on a limb from central protruding fixture. Labelled REF. No. 10C/7249 on lower half of fronting.

4571.2 Variable Air Condenser by Muirhead & Co. Ltd. Instrument with black plastic fronting lifts out of metal casing. Several dials and indicators on front and side.

4571.3 Wooden cased object by Muirhead & Co. Ltd. with plastic top and two dials setting “decibels” divided 0-50 in 5s, and 0-10 in units. Large white plastic label marked “85” in black lettering.

4571.4 Plastic boxed Voltmeter by Cambridge Instrument Co., needle dial 0-2.4 millivolts. Object no. L187 496.

4571.5 Digital Multimeter by Marconi Instruments Ltd., model TF2670.

4571.6 Mirror galvanometer (?) by W. G. Pye and Co. Ltd. Catalogue No. 7930, Serial no. 261. Label indicates tested 24-3-1964.

4571.7 Induction coil (?) with rotating plastic encapsulated ring.

4571.8 Wooden cased variable resistor (?) by Muirhead & Co. Ltd., No. 142169. Four dial settings, each 1-10 for ten thousands, thousands, hundreds and tens. Large white plastic label, “26” on top, and painted label “R13” on side.

4571.9 Decade condenser type B-5-F by Muirhead & Co. Ltd.

4571.10 Detached dial, divided in units from 1-100, marked in 10s.

Condition good.

References

Events