AN OPTICAL THEODOLITE - HILGER WATTS NO. 1 - LONDON, ENGLAND. No. 1 Microptic Theodolite No. 86286. Marked MWS&DB No. 785 Metropolitan Waste, Sewage and Drainage Board, Sydney. A piece of English/Australian optical history, and an excellent piece of engineering. In very good condition, including box and leather clasp. All parts moving freely, but untested optically and sold as found. Box: 29 x 18 x 15 cm Weight: 8.15 kg. In good, used condition. Appears complete, with box. Untested functionally but lens seems intact, all parts moving freely.