Vintage SMACNA Architectural Sheet Metal Manual 2nd Edition 1968 book

Working Sheet Metal Paperback David J. Gingery

Sheet Metal Handbook: How to Form - Paperback, by Ron Fournier; Sue - Good.

Practical Problems in Mathematics For Machinists Instructor’s Guide Hoffman

SHEET METAL PATTERN DRAFTING And Shop Problems Daugherty Metalworking - 1922

Practical Sheet Metal Layout Today's 40 Most-Used Fittings Spiral

Sheet Metal Pattern Drafting Round Layouts Book 2

Vintage 1967 Audels Sheet Metal Workers Handy Book | Pattern Layout Guide Manual