Accession No
1450
Brief Description
drainage level in brass, by Gardner and Company, Scottish, 1850 (c)
Origin
Scotland; Glasgow; 21 Buchanan St
Maker
Gardner and Company
Class
surveying
Earliest Date
1825
Latest Date
1875
Inscription Date
Material
metal (brass); glass
Dimensions
box length 350mm; breadth 170mm; height 63mm
Special Collection
Provenance
Donated.
Inscription
on the inclination scale
GARDNER & CO
21 BUCHANAN ST
GLASGOW
REGISTERED No 2602 DEC 28th 1850
Fal 12-0/0-12
Description Notes
Drainage level in brass, by Gardner and Co Ltd., c. 1850.
Brass throughout. Sighting tube. Mounted on elevation screw below eye piece and pillar support below objective. Graduated Arc with inclination, scale 12-0/0-12, on left of eye piece. Bubble mounted on the support. No graduations. Pillar base fits onto tripod head (no foot screws). Axis clamp. Fitted wooden box with trade label.
References
Events
Description
A simple and cheap instrument designed to assist in setting out field drains. Fixed to a tripod, the base plate is levelled and the eyepiece end of the telescope raised with the screw until a distant point at the desired angle of slope is sighted.
This instrument was made by Gardner & Co of Glasgow in 1850.
10/03/2009
Created by: Dr. Anita McConnell on 10/03/2009
FM:42897
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