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.

For description of its use click here.

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