1
Published 1892
Record Source: Published Materials
Subjects and Genres: '; ...Lowell Machine Shop....
Book
2
Record Source: Published Materials
Subjects and Genres: '; ...Machine shops Pennsylvania Philadelphia...
Philadelphia Record Photograph Morgue (Name Index)
3
Record Source: Published Materials
Subjects and Genres: '; ...Machine shops Pennsylvania Philadelphia...
Philadelphia Record Photograph Morgue (Name Index)
4
Author: Colvin, Fred H. 1867-1965.
Published 1914
Record Source: Published Materials
Subjects and Genres: '; ...Machine-shop practice Handbooks, manuals, etc....
Book
5
Record Source: Published Materials
Subjects and Genres: '; ...Machine shops Pennsylvania Philadelphia...
Philadelphia Record Photograph Morgue (Name Index)
6
Record Source: Published Materials
Subjects and Genres: '; ...Machine shops Pennsylvania Philadelphia...
Philadelphia Record Photograph Morgue (Name Index)