Tinsmith's Helper and Pattern Book

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The section on Mensuration will be found both accu rate and complete and the rules and examples are reduced to the plainest language so that any one may understand them. Realizing the value of reliable data, he included all the tables of weights of materials, measures of area, capacity, etc., to which the sheet metal worker has occa sion to refer, together with many excellent recipes, formulas and rules, which will be found of great service.