Accession No

3088

Brief Description

cardboard pattern for concentration chart, for use with artillery, 1/2 20th Century

Origin

Maker

Class

military

Earliest Date

1900

Latest Date

1950

Inscription Date

Material

paper (cardboard)

Dimensions

diameter 137mm

Special Collection

Steward collection

Provenance

Collection purchased from member of the Steward family, 1974.

Inscription

Description Notes

Circular cardboard disc, lacking overlay disc or discs of complete instrument.
Obverse: outer ring has eight range scales, each corresponding to one of the scales laid out radially from the centre.
Reverse: instructions for use.

Incomplete (missing overlay discs).

References

Events