ADDENDA. Important. 



T5l I1CC this book went to press, a new, ab- 

 solutely safe and powerful explosive has been 

 invented and put upon the market. The ma- 

 terial gives a flame less explosion, and there- 

 fore can be used in gaseous and dusty mines, 

 without danger of igniting either gas or dust. 

 This Explosive is only exploded by means of a 

 strong cap or electric exploder, and can be 

 handled, stored and transported with abso- 

 lute safety, and without danger of being ex- 

 ploded by jar, shock, concussion or fire. 

 The fumes from its explosion are neither harm- 

 ful nor disagreeable. It is therefore excellent 

 for tunnel and mining work. It does not have 

 to be thawed, flasurite is its name. 



SAFETY ^ POWER 



Masurite 



Masurite Explosive Co., 50 Broadway, N. Y. 



