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A draughtsman's brass trammel on 33" rosewood bar and a 29" iron straight edge with brass lifts in
A draughtsman's brass trammel on 33" rosewood bar and a 29" iron straight edge with brass lifts in orig fitted pine case, makers name label lost, ...
A surveyors cross staff probably by Stanley London with detachable handle G+
An unused boxwood alidade by STANLEY London with folding sights in orig leather pouch F
A 3" prismatic compass by STANLEY London No A1421 with G.S. and Crown, in orig leather case F
A WW2 German artillery optic sight by C.P.GOERZ Berlin with Gesichtsfeld 10 Vergr.4x G++
An extending brass Abney level and clinometer stamped R.S.A, Mk 1V B3513 with Broad Arrow G++
An early brass Abney inclinometer level with vernier and spirit level G++