AuthorPerrigo, Oscar E. (Oscar Eugene), 1848-1923.
TitleChange gear devices : showing the development of the screw cutting lathe and the methods of obtaining various pitches of threads / by Oscar E. Perrigo.
EditionFirst edition.
PublishedNew York : The Locomotive Pub. Co., Ltd., 1903.
Description81 pages : frontispiece (portrait), diagrams ; 21 cm
General NoteIncludes index.
SubjectsLathes.
LC Card Number03-32147
Call Number/Copies 
 WRHS Research Library: TJ 1218 P457 1903
CA-1905151: LC class, closed stacks [status: NON-CIRCULATING]
[Record 142670]