Rock Blasting A Practical Treatise on the Means Employed in Blasting Rocks for Industrial Purposes
CHAPTER I.
THE TOOLS, MACHINES, AND OTHER APPLIANCES USED IN ROCK BLASTING.
PAGE Section I. _Hand-boring Tools._--Drills. Hammers. Auxiliary Tools. Sets of Blasting Gear 1
Section II. _Machine-boring Tools._--Machine Rock-drills. Borer- bits. Drill Carriages 23
Section III. _Appliances for firing Blasting Charges._--Squibs. Safety Fuse. Electric Fuses. Cables. Detonators. Electric Firing- Machines 42