A miner's dial was used by surveyors to determine the direction of underground tunnels and roadways. The inclinometer allowed measurement of the angles at which mine tunnels descend into the ground.A rare miner's dial in a hinged timber box.This surveying instrument consists of a theodolite monsblr on a magnetic compass, which sits on the vertical tapered spigot of a base plate. Fits tripod catalogued item 4133. Inside the box lid is the supplier's label - W. Travill (successor to D. Esdale) of 146 Little Collins Street, Melbournemining, ballarat school of mines, surverying, scientific instruments, scientific objects

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

The author, Bennett H. Brough was an associate of theRoyal School of Mines, a member of the COuncil of the Institution of Mining Engineers, a fellow of the geological society and of the Institute of Chemistry, a member of the Mining Institute of Cornwall, and a former instructor of mine-surveying at the Royal School of MinesRed had covered book 372 pages - part of Griffin's Mining Series. Contents include general explanatinos of surveying, an historical sketch, mineral deposits, mining terms, measures of length, measurement distances, the chain, rods, steel bands, measuring wheel, Miner's Dial, Magnetic needle, Fixed needle, German Dial, theodolite, traversing underground. Surface-surveys. plotting the survey, calculation of area, leveling, Telescope, Setting out, Mine-Surveying Problems, Mine Plans, Photographic Surveying, examination Surveying. Illustrations include: Whitelaw's Dial (Fig 22), Theodolite of the American Type with Hoffman tripod head, (fig 37a)mining, surveying, miner's dial, chain, survey, theodolite, scientific instruments

A quadrant mounted telescope with crosshairs and external focussing, with longitudinal bubble level. Mountable on a magnetic compass plate with two bubble levels. Complete with dapered-spigot base plate and slot view attachments, Housed in a polished timber box. Inside the box are two labels -A label on the inside of the box " to the School of Mines and Industries, Ballarat" To (...) Hoadley, Esq, Principal, Footscray Technical school, Footscray WII" "Sluggish Needle, 9/4/3..." "still sluggisg 1966"mining, ballarat school of mines, surveying, archibald hoadley, scientific equipment, circumferential, scientific instruments