Maker

E. R. Watts & Son, London

Model

Microptic (Plane Table) Alidade

Serial Number

63732

Dimensions

380 x 110 x 170 mm

Image

Description

Dark green telescopic plane table alidade with a parallel ruler (no scale) and sun shade for the objective lens. A box compass screwed onto the base plate.

The vertical movement is imobilised. Stadia constant in feet.

The alidade features an altitude bubble, a cross bubble on the standard, a spot bubble on the base plate and one levelling screw for the adjustment of the cross tilt.

The wooden box has four rubber feet. It contains a carrying strap.

The instrument is presently not operational!

The instrument is similar to item 0151.

History & comments

Label inside the box, dated 31 January 1950.

Conservation

in wooden box 410 x 211 x 145 mm

Condition

good exterior. Not operational due to blocked vertical movement.

Remarks

Photo by JMR.

Dates

Catalogued by JMR in July 2006.