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A Survey Compass
A Survey Compass Signed to the card compass 'Stanley Gt Turnstile Holborn London' with sighting vane, prism cover and leather case
A French Surveyor's Water Level
A French Surveyor's Water Level French, C.1880, Unsigned with 3 tubular arms that screw together, with brass capped bottles to each end, staff mou...
A Collection of Telegraph Equipment C.1900, each signed 'H. W. S. Ltd', including a lockable 'Key Contact', a lockable Key Tester and another inst...
A Large Collection of Engineer's Tools, including depth guage, dials and micrometers
A Collection of Surgical and Diagnostic Instruments, three vaginal speculae, incuding an early example in pewter, two nasal speculae, two Zeiss bl...