DESCRIPTION :
Precision type. Designed for accurate and consistent readings. The important features of this instrument is the provision of fixed collars on the bearings screws which make the needle removal and replacement easy.
Specifications
Needle: Inclination Scale: Case: Base: Accurately balanced, this strongly magnetizes needle is 90 mm long with hard ended steel pivots working in a agate cup bearing.
Inclination Scale:Silvered brass 105 mm diameter, graduated 0- 90º - 0 - 90º x1º
Horizontal Scale: Silvered brass 125 mm diameter, graduated clock 0- 360º x 1º with a circular spirit level.
Case: Aluminum alloy 120mm diameter approximately with easily removed windows on both sides.
Base: Heavy aluminum tripod base with three adjustable brass levelling screws. |
