1851 Great Exhibition: Official Catalogue: Class X.: George Yeates
From Graces Guide
332. YEATES, GEORGE, 2 Grafton Street, Dublin — Proprietor and in part Designer and Manufacturer.
Standard barometer. A barometer, with registering apparatus attached, the mercury in the cistern of which can be cleansed without disturbing that in the column.
Small theodolite.
Simple theodolite, for road work, drainage, etc.
Simple and effective air-pump.
Improved prismatic compass, capable of taking altitudes.
The same, on tripod, having spirit level attached.
Optic square, for measuring inaccessible distances.
Various specimens of spectacles.
See Also
Loading...