- 32
An astatic mirror galvanometer by Elliott Brothers, English, circa 1881
bidding is closed
Description
- height 52.5cm (20 3/4 in.)
stamped on the reverse Elliott Bros London No 1198, the brass instrument with central brass covered drum enclosing a silk fibre supporting a short needle and a light concave mirror at the centre of a verticle coil, with folding tripod legs and three levelling screws
Literature
A similar galvanometer can be found on p. 201 Gerard L'E Turner Nineteenth Century Scientific Instruments, London, 1983