Accession No

4216

Brief Description

set of chart plates and charts for recorder drums, by Cambridge Scientific Instrument Company Ltd., 1/2 20th C

Origin

England; Cambridge

Maker

Cambridge Scientific Instrument Company Ltd.

Class

miscellaneous

Earliest Date

1900

Latest Date

1950

Inscription Date

Material

metal (copper, brass and one other); wood (2 types); paper (card, varnished paper and one other)

Dimensions

maximum length 440mm; maximum breadth 145mm

Special Collection

Cambridge Instrument Company Collection

Provenance

Donated by the Cambridge Instrument Company.

Inscription

Description Notes

Two copper printing plates for charts and two printing blocks for charts. One paper chart of each of the printing blocks. 2 other charts on varnished paper.
Copper plate no. 586: scale divided 0 - 18 [or 90], numbered by 0.2 [or 1], subdivided to 0.02 [or 0.1].
Copper plate no. 549: scale divided [-9] - 1200, numbered by 10, subdivided to 1.
Printing block no. 549C: scale divided [-10] - 1200, numbered by 10, subdivided to 1.
Printing block no. 549F: scale divided 0 - 2550˚ F, numbered by 10, subdivided to 1 (32 and 212 also numbered).
Chart no. 549C: scale divided [-10] - 1200, numbered by 10, subdivided to 1.
Chart no. 549F: scale divided 0 - 2550˚ F, numbered by 10, subdivided to 1 (32 and 212 also numbered).
Other two charts: one divided [-10] - 1400, numbered by 10, subdivided to 1; the other marked ‘Fahr’, divided 0 - 2580˚ F, numbered by 10, subdivided to 1 (32 and 212 also marked).

Condition good

References

Events