Surveying Instrument Collection
Maker |
Esdaile & Sons, Sydney |
Model |
Ewing Stadialtimeter (Plane Table Alidade) |
Serial Number |
53695 |
Dimensions |
300x 122 x 160 mm |
Image |
|
Description |
Reduction plane table alidade with Ewing Stadialtimeter. There is a scale on parallel ruler (280 mm long, 50 divisions per inch) and a pin for the zero of the scale. The ruler is marked 'UNSW L037'. The alidade features two levelling screws, an altitude bubble and a telescope bubble. The locking key for the box is present. The wooden carrying box is marked 'L037' and contains a leather carrying strap and a blue/green box compass . |
History & comments |
Box has panel with instructions for the WATTS-ESDAILE Ewing Stadi-Altimeter 'for direct reading Tacheometry' |
Conservation |
in wooden box 355 x 205 x 175 mm |
Condition |
good. |
Remarks |
Photo by JMR. |
Dates |
Catalogued by JMR in July 2006. |