The Sheet Metal Worker's Instructor - Third Edition

Originally Titled: The Sheet-Metal Worker's Instructor, Comprising A Selection Of Geometrical Problems And Practical Rules For Describing The Various Patterns Required By Zinc, Sheet-Iron, Copper, And Tin-Plate Workers. An Unabridged, Digitally Enlarged Printing With 465 Illustrations: The Construction Of Angles - Some Useful Problems In Geometry - Envelopes Of Solid Geometry - Projection - Practical Problems - Mensuration - Metals And Alloys - Flattening, Raising, Stamping, Spinning, Bending - Joints - Soldering - Tools And Appliances - Machines And Dies - Appendix With 19 Tables - Comprehensive Index