The outward set of teeth drill the hole large enough to permit the drilling apparatus to descend freely, and the teeth set inwardly pare down the core to such a diameter as will admit of the body of the cutter passing over it without seizing.
In the Gartsherrie machine of Messrs Baird, the earliest of the flexible chain cutter type, the chain of cutters works round a fixed frame or jib projecting at right angles from the engine carriage, an arrangement which makes it necessary to cut from the end of the block of coal to the full depth, instead of holing into it from the face.
The crew left the ship in the only cutter left under fire.
In that year several schooners, fitted out in British Columbia for the capture of seals in the North Pacific, were seized by a United States cutter at a distance of 60 m.
His father's people were of the fisher-clan of Renans or Ronans; his grandfather, having made a small fortune by his fishing smack, bought a house at Treguier and settled there, and his father, captain of a small cutter and an ardent Republican, married the daughter of Royalist trading-folk from the neighbouring town of Lannion.
The crew manned the remaining cutter and pulled to ML526 (Lt.
The United States government has at Port Townsend a customshouse, a revenue cutter service, a marine hospital, a quarantine station and an immigration bureau.
The bit or cutter consists of a cylindrical The Calyx metallic shell, the lower end of which is made, by a Drill.
The cutter employed to rule these lines removes the silver in fine lines from the surface of the glass, Thus, if a photographic plate, before it is exposed in the telescope, is placed with its sensitive surface nearly in contact with the silvered surface of this reseau, and if parallel light, normal to the surface of the plate, is allowed to fall on the silvered film through the glass on which the film has been deposited, that light will pass through the fine lines in the silver film where the silver has been removed by the cutter, but will otherwise be intercepted by the silver film.
The large trepan or cutter weighs about 16 tons, and cuts a hole of from 9 to 15 ft.