Maker

Precision Instrument Co., Sydney

Model

---

Serial Number

n/a

Dimensions

38 x 30 x 21 mm

Image

Description

This is a simple 90° prism fitted to an Aluminium U-shaped piece. Groves on the top and bottom surfaces provide better grip.

The 90° prism can be used to sight to the left Or to sight to the right, but not at the same time. Targets straight ahead must be viewed across the top or bottom surfaces.

There is an engraving on the top surface: 'Precision Instrument Co. SYDNEY'.

There is a paint marking on the underside: 'Uni NSW No. 10'.

See also item 0140 inthis collection.

History & comments

Conservation

no box or pouch

Condition

The Aluminium frame lost almost all of its original paint finish.

Remarks

.

Dates

Catalogued and photographed by JMR on 8 July 2015.