CONTENTS.

[CHAPTER I].
Nitro-Glycerin—Introduction of the explosive in New York, San Francisco, Lake Superior, and the Hoosac Tunnel, Massachusetts; Accidents; Reports of Engineers Thos. A. Doane, W. P. Granger and B. D. Frost, of the Manufacturer; Miners’ statement.
[CHAPTER II].
Submarine Blasting—Erie Harbor—Dimon’s Reef, New York—Coenties Reef, N. Y.—Oil Wells, Penn.
[CHAPTER III].
Nitro-Glycerin considered in its chemical details.
[CHAPTER IV].
Electricity in blasting operations.
[CHAPTER V].
The Tri-Nitro-Glycerin manufactured at the Hoosac Tunnel—How Tri-Nitro-Glycerin is made—How stored—How Gutta-Percha is purified—How the Exploders are manufactured.
[CHAPTER VI].
Explosive mixtures.
[CHAPTER VII].
Nitro-Glycerin patents and litigation.
[CHAPTER VIII].
Hoosac Tunnel—Drilling by machine—Blasting with Powder—Nitro-Glycerin.
[DIRECTIONS] FOR HANDLING AND USING TRI-NITRO-GLYCERIN.
[APPENDIX].
[A.] Memoranda for Contractors.
[B.] Over-sensitive Exploders.
[C.] Professor Abel on effects of initial explosion on explosives.
[D.] Car freighted with 4,800 lbs. Nitro-Glycerin off the track.
[E.] Accidents at the Hoosac Tunnel.