Surveying Instrument Collection
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. |