Gauge No. disk testing alignment of frame (used with straight edge)

Object Title

Gauge No. disk testing alignment of frame (used with straight edge)

Gauge No. disk testing alignment of frame (used with straight edge)

Date

5 June 1928

Reference

RSAF D5 DD(E) 944

Level

item

Extent

1 drawing

Access Conditions

Open access

Reproduction Conditions

Crown Copyright

Associations