Troughton and Simms Theodolite

This theodolite was made by Troughton and Simms for T.F. Wiesener in Sydney.

Wiesener was a distributor of these imported English theodolites. 

The theodolite accessories include the lantern and bracket, trough compass and diagonal eye piece.

​Note the aluminium support for the level bubble on the vertical circle.

Circa 1910