Artillery Prismatic Compass

Description

Brand: PYSER - SGI
Product Code: Francis Barker Surveyors / Artillery Prismatic Compass
Availability: In Stock

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Key Features

Dry suspension or liquid filled
Half degree graduations
Accurate to ± 15 minutes
Large 115mm (4½ inches) diameter for precision readings
Solid aluminium, brass and glass construction
Sapphire jewel bearing
Tripod thread
Foldaway design
Solid protection lid
Internal dial lock for total protection in transit - dry suspension model only.
For use hand-held or on tripod (recommended tripod model Francis Barker Brass Telescopic Tripod)
Proven over many years in all world regions in surveying, artillery, satellite positioning, compass swinging etc.