The SciencesJuly 16, 1910
Mining Coal with Explosives
Suggestions for the Miner
Stories by Clarence Hall
The SciencesJune 25, 1910
Squibs, Fuses, and Detonators
Hints for the Miner
The SciencesFebruary 26, 1910
Explosives for use in Coal Mines
How Dynamite is Thawed Safely
The SciencesFebruary 19, 1910
Combustion and Explosion.—II
A Primer On Explosives For Coal Miners
The SciencesFebruary 12, 1910
Combustion and Explosion.—I
A Primer On Explosives For Coal Miners