Historical information
Used by students attending surveying classes at the School of Mines & Industries, Ballarat.
Physical description
Surveyor's level caste in metal with brass trimmings. Features external focus, twin inclined vertical crosshairs with stadia wires. With ray-shade clinomenter. Three levelling screws. Without transverse level (mounting provided). dust shield for object. Features glass lens x 2.
Timber carry case features dovetailed joints, separate lid attached to body of case with two brass piano hinges along back side. Case has a metal carry handle screwed to each end.
Matches tripod Item 4116
Item's serial number: 99142
Inscriptions & markings
*The timber lid of the carry case has 'L3'
painted on it in white paint.
*The paper label glued to reverse side lid of inside carry box reads:
STANLEY'S PATENT
LEVELS AND THEODOLITES
No.99142 July 1899
STADIA POINTS SET=1 : 100.
In taking readings of a distant staff by means of the subtense points in the diaphragm, read every 1/100 foot (or metre) on the staff as being equal to one foot (or metre) of distance from the centre of the instrument adding to the reading of plus constant of 18 3/4 inchess from any distance shown.
W.F. Stanley,
Great Turnstile, Holborn, London.
*The paper label glued to lower edge inside lid of carry box reads:
N. H. SEWARD,
"Optical House"
457 BOURKE STREET
(Near Queen Street)
MELBOURNE
*Engraving on brass plate encompassing the catch on front edge of the timber carry case reads:
H&C
L (inside an engraved heart on LSH)
EUCHRE
LEVER (engraved on RHS of brass plate)
*Maker's mark is engraved along the length of the telescope barrel:
99142
Stanley. Great Turnstile Holborn, London.
