Tribrach

Description

Consists of telescope eyesight and an adjustable tubular spirit level, which is connected to a semicircular protractor scale and vernier marked in both slope and degrees (90°). A magnifier glass assists in accurate reading the degree of inclination from vernier.

Description

Cylindrical brass sextant in leather case. The sextand has pull out eyepieces, silvered scale and vernier magnifier on a hinged arm. The brass cover screws onto the base as a handle. The leather case is embossed with a flower on both sides. The case has an attached cover which fastens with a strap. The inside of the case is lined with purple velvet like material. Maker's mark on sextand, embossed stamp on case.

Description

We offer Brunton Compass (Geological Compass) which is available in a leather or wooden case. This compass differs from modern compasses, as it utilizes magnetic induction damping rather than fluid to dampen needle oscillation. It is widely used by geologists and surveyors to make accurate degree and angle.

Description

• With steel pole Size 1.5mm dia with tilting type • With steel pole Size 1.5mm dia without tilting type • With steel pole Size 2.0mm dia with tilting type • With steel pole Size 2.mm dia without tilting type