Vocational Mathematics. E-book. Formato PDF William H. Dooley   -  Forgotten Books, 2017  - 

It is to overcome this difficulty that the author has prepared this book on vocational mathematics. He does not believe in doing away with the regular Course of mathematics but in supplementing it with a practical course. This course may take the place of the first year algebra and the first year geometry in vocational classes in which it is not desirable to give the traditional course in algebra and geometry.

A Manual of Shoemaking and Leather and Rubber Products. E-book. Formato PDF William H. Dooley   -  Forgotten Books, 2017  - 

Shoe Repairing, Boot and Shoe Recorder, The Weekly Bulletin, and the New York Leather Belting Company. In addition, the author desires to ao knowledge his indebtedness to the great body of foreign literature on the different subjects from which information has been obtained.