00748nam a2200181I 4500005752106MiAaHDL20071024000000.0m d cr bn ---auaua771228s1926 vtu 000 0 eng dsdr-wu6937322(OCoLC)3522038TLMTLMGZM621.83Fellows Gear Shaper Company (Springfield, Vt.)The internal gear, design and application;a simple but practical analysis of the comparative tooth action of internal and external gear teeth,together with directions for cutting, and a representative collection of satisfactory applications.3d rev. ed.Springfield, Vt.,Fellows gear shaper co.[c1926]71 p. incl. front., illus., tables, diagrs.23 cm.Mode of access: Internet.00575210620071024102508.020071024000000.020120815133207.02025-03-28T17:57:10ZSDR-WUUNKNOWNloader.pl-001-001BKsdr-wu6937322wuSDRWUwu.89089667257WU6937322WUWU20250328googlewu.890896672571926pdbibUS bib date1 < 1931