- Inventory number: 3629
- Inventory number: 3630
- Language: EN
- Type: B
- Call number: 621.8333
- Author number: O12
- Title: SPIRAL AND WORM GEARING
- Author: OBERG,ERIK
- Place of publication and publisher: NEWYORK:THE INDUSTRIAL PRESS
- Publication date: 1915
- Pages: 274
- Notes: INC.IND 267-274
- Subject: APPLIED PYYSICS-WORM AND SPIRALG EARS
- Number of copies: 02
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