Optical Square

2019/010

Kern hand-held single prismatic optical square

SKU: 2019/010 Categories: ,

Description

Kern hand-held single prismatic optical square with ribbed handle and grey plastic cap. There is a recessed hook on the base of the handle to allow a plumb line to be attached to the device.

This optical square was passed down to the donor from her grandfather Alec Gilbertson FICE FIMechE who was a chartered civil and mechanical engineer with world-wide experience. To see a copy of his extensive CV click here.

Additional information

Acquisition Number

2019/010

Item Type

Short Description

Kern hand-held single prismatic optical square, Unknown

Manufactured by

Date of Manufacture

c. 1980

Sub-items

Plastic cap

Supporting Items

None

Makers Number

None

Marks

"Kern SWISS SUISSE"

Dimensions (mm)

Prism box: 32 (dia) x 28. Handle: 18 (dia) x 47. Weight: 100 g (with cap)

Donor

Date Donated

June 2019

Materials

Plastic coated metal

Condition

Good

Display Location