Used for surveying classes at the Ballarat School of Mines. Purchased/acquired during Queen Victoria's reign. The 1893 Ballarat School of Mines Calendar states that mine surveying instruments "always at the disposal of the students" including "one miner's dial".A surveying instrument consisting of theodolite with single crosshair(.1) mountable on a magnetic compass (.2), designed to sit inside a polished wood carry box. Serial Number 4470On suppliers label: "Instrument maker to the surveying and engineering departments of her Majesty's Government of South Australia"ballarat school of mines, surveying, scientific instruments, scientific objects, otto boettger, optician, miner's dial

This item is possibly the sextant donated to the Ballarat School of Mines Museum on 21 October 1885 by D. Turpie of Ballarat.Timber (ebony?) framed sextant with ivory scale, brass radial arm and ivory vernier scale. Mirrors and viewer are set in brass.Maker's label inside the hinged lid.sextant, scientific instrument, d. turpie, navigation, ballarat school of mines museum

Heavy loose-leaf binder, brown hardcover. The book contains optical prescriptions dating from the late 1950's to the late 1960's. The pages are indexed alphabetically. After the name of the patient a description of the lens prescribed. The binder can be locked and there is a key in the lock attached to the key a label: "J.S.R. Barker, Chemist and Kodak dealer, 65 Mestyn Street, Castlemaine. Optical Px book. Medicine urgent".On front cover in pen: No.269 April 1954 a list of names, in the middle printed in red "Conquest series, loose leaf binder and a picture of a knight on horseback. Norman Bros Pty ltd, 60 Elizabeth Street, Melbourne". On the first page a label with the words Optical Px book J.S.R Barker, M.P.S. Pharmaceutical Chemist, Phone 34, Castlemaine.medical, optician, prescriptions