The Analysis of Black Powder and Dynamite. E-book. Formato PDF Walter O. Snelling   -  Forgotten Books, 2017  - 

Although descriptions of the methods of analysis of explosives are to be found in many books on explosives, and in works on engineer ing chemistry or chemical analysis, most of these descriptions are incomplete and lacking in details. The methods of analysis employed in the laboratories of most explosives factories are frequently treated as trade secrets, and very little information is published from such laboratories.

Practical Income Tax a Guide To: The Preparation, of Income Tax Returns. E-book. Formato PDF W. E. Snelling   -  Forgotten Books, 2017  - 

The title of this book should give a true idea of its purpose and scope. The reader will not be confused by long quotations from Acts of Parliament, Or from judgments on appeal cases. But the general substance of these has been incorporated in an exposition of income tax law from a business point of view. The requirements of the student have received special consideration, the book containing many practical examples and concluding with a set of test questions (with solutions) covering the whole of the ground. War legislation, Super-tax, and Excess Profits Duty.