Dualin

Dualin is an explosive material based on nitroglycerin and nitrogenized cellulose using sawdust or wood pulp. It is inferior to dynamite and more liable to explosion. Dualin was invented by the Prussian chemist Lieutenant Dittmar in April 1869.^[1]

References

^ Raymond, Rossiter W. (1870). Statistics of Mines and Mining in the States and Territories West of the Rocky Mountains. United States Commissions of Mining Statistics. p. 495.

Mining equipment

Excavation

Tools	Pickaxe Shovel Hand steel Crowbar Sledgehammer Jackhammer Gezähe
Blasting	Blasting machine Detonator / Blasting cap Dualin Dynamite Gunpowder
Heavy machinery	Power shovel Steam shovel Rocker Shovel Loader Dragline excavator Bucket-wheel excavator Bucket chain excavator Gold dredge
Other	Fire-setting Gold panning Hushing

Transport

Vertical	Hoist Headframe Winding engine Whim Man engine
Horizontal	Mine railway Minecart Mine car Pit pony Quarry tub Slate wagon Mantrip Material ropeway (Blondin) Conveyor bridge Haul truck Articulated hauler Stacker Reclaimer