0150
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  Surveying Instrument Collection 

Maker

Esdaile & Sons, Sydney

Model

Ewing Stadialtimeter (Plane Table Alidade)

Serial Number

53695

Dimensions

300x 122 x 160 mm

Image

Esdaile/Ewing Stadialtimeter

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.

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