List of words “used” in the Cornish tin mines

A B C D E F G H I-K L M N-O P-Q R S T U-V W-Z

H Words

Meaning
Haematite Oxide of iron found in many minerals, lode materials and deposits, a major source of iron ore, giving the characteristic red colour coating much of everything associated with mining at SC, including the work force.
Hammer  vital hand tool in the mining industry
Geological Hammer – A light hammer with one elongated flat head, the other side long and curving to a point.
Grizzly Hammer – A 10lb double sided hammer with flat wedge heads used to break rocks along their cleavage planes.
Sledge Hammer – Any long handled hammer with double sided flat heads ranging from 7lb to 14lb (most common) and 28lb.
Spalling Hammer – Short handled hammer of 2 to 4lb used to break up small pieces of rock.
Timberman’s Hammer – Another name for a long handled 7lb sledge hammer
Track Hammer – As above for Timberman’s Hammer
Hand In this context to do work manually, for instance: Hand Drill – To wield a hammer to hit a steel or jumper in order to bore a hole in rock to take an explosive charge
Hand Tram – To push or pull a wagon manually to move it
Hand Muck – To use a shovel to load a wagon with broken rock
Hang Up When broken rock jams up in a stope, raise or rock pass, in which various methods may be used to bring it down depending on circumstances. These include water, barring or staff blasting.
Hanger Bolt A steel rod with threads at one end and a hook on the other. They are used in pairs to suspend timber shaft sets from the one above when constructing the shaft timbering. The sets ate later secured by bolting and wedging to the sides.
Hanging Any ground overhead
Hanging Wall – The side wall of a stope that is overhead. It is poor practice to break the hanging wall face of an underhand stope in particular.
Hard The literal meaning
Hard Hat – A miner’s helmet, whether made of felt, resin, plastic or aluminium.
Hard Rock – The term for rock such as granite, elvan and most lode materials. This is used to distinguish between mining in such rocks requiring considerable drilling and blasting, and coal, etc, which can be dug and ripped out by machine.
Haulage Term for the moving of wagons by meachanical means.
Main Haulage – The track or roadway on a level through which most of the wagons are trammed or driven
Haulage Road – Any roadway which is used by trucks conveying broken rock
Haulage Way – Any rail track used by wagons conveying broken rock
Head In a mining context the systems and constructions at the top end of a shaft or incline system
Conveyor Head – The upper end of a conveyor from which the transported rock is discharged
Head Frame – The steel girder or timber construction at the top of a mine shaft on which the winding wheels are situated.
Head Gear – The winding wheels and ancillary equipment set in the head frame.
Header Tank Water storage tank, generally fed via a ball valve, that ensures a constant water pressure to the feed therefrom.
Heave To pull on a rope, pull or press on a prising bar or lever, also the movement of ground when the pressure is taken off of it.
Helmet A plastic, resin or aluminium head protection worn by a miner (and others). A miner’s helmet has a bracket at the front in which a cap lamp is slotted.
Full Brim Helmet – A safety helmet with a brim going all the way round, instead of just over the face in the conventional safety helmet.
Sinker’s Helmet – A safety helmet with full brim and an extension at the back to further protect the neck when bent forwards.
Hitch chute
Hoist A machine with a drum on which rope is wound to raise and lower a cage, skip or wagon attached to the rope end. Generally applied to a permanent and substantial device
Hole As per its conventional meaning
Box Hole – A short raise in which a box, or chute, is placed to control the flow of broken rock through it.
Drill Hole – Any hole which has been drilled for a mining purpose, whether for shotfiring or not.
Hole Through – Term for when one mine opening is broken through into another opening, for instance a drive into a crosscut, an inter into a boxhole, a raise into a drive above.
Holdback A steel rod threaded at one end and with a half round hook on the other, used to secure the rear part of a U-iron to a timber chute leg.
Horse A substantial piece of country rock, i.e. granite, that is totally surrounded by a lode, the lode having isolated it when infilling.
Horse Head – A U-shaped piece of steel, attached in pairs to either side of steel support sets by clamps and bolts. Rails are pushed through the horse heads and planks placed on the rails to afford overhead protection at the heading face of a drive or crosscut. As sets are erected the horse heads are moved forwards.
Hose General term for any flexible tubing carrying compressed air, water, hydraulic oil, etc.
Air Hose – Flexible, tough hose, generally in 50ft lengths through which compressed air is supplied to rock drills, loaders and any other moveable compressed air equipment. General diameter is 1”, 1 ˝” and 2”.
Water Hose – As above, generally ˝” diameter, supplying water under pressure to rock drills for dust suppression and keeping the drill hole clear of debris.

Peter Hughes has supplied words of this colour
D.C.Williams at Exeter University, better known as Gus. has supplied words of this colour
The remainder are supplied by Michael Davis