Cornell University Library Digital Collections
Spencer double-turret automatic screw machine, showing the "Protean cam."
- Title (English):
- Spencer double-turret automatic screw machine, showing the "Protean cam."
- Collection:
- Early 20th Century Engineering Lantern Slides
- Set:
- Transfer of skill
- Agent:
- unknown
- Date:
- undated
- Location:
- unknown
- ID Number:
- RMA01151_b23_289
- Catalog Record:
- 2075312
- Collection Number:
- 16-5-1151
- File Name:
- RMA01151_b23_289.jpg
- Transcription:
- Spencer double-turret automatic screw machine, showing the "Protean Cam."
- Work Type:
- photomechanical reproduction
- Subject:
- protean cam
turret
threads
screw machies, automatic
lathes
- Description:
- This machine has a forward and rear turret, acting in conjunction with a primary and secondary spindle. Thus two series of operations may be simultaneously performed on opposite ends. Protean means changeable. Cams are mechanical parts that convert rotary motion linear motion, and are used in many machines
- Annotation:
- 38. Transfer of Skill
- Notes:
- The digital images in this collection capture images as they appear within the slides in the physical collection. Any information found on slide mounts have been recorded in the Annotation field to provide context for how the slides were originally organized and used.
- Cite As:
- Sibley School of Mechanical and Aerospace Engineering records, #16-5-1151. Division of Rare and Manuscript Collections, Cornell University Library.
- Repository:
- Division of Rare and Manuscript Collections, Cornell University Library
- Archival Collection:
- Sibley School of Mechanical and Aerospace Engineering records, 1917-2009
- Box:
- 23
- Format:
- Image
- Rights:
- The copyright status of this item is undetermined. Efforts have been made to evaluate the item based on date of creation, publication status, potential creators, and potential rightsholders. The item was digitized at Cornell University Library in 2024 from physical holdings in the Sibley School of Mechanical and Aerospace Engineering records, 1917-2009, Division of Rare and Manuscript Collections, Cornell University Library. It is presented here by Cornell University Library under an assertion of fair use and the Guidelines for Using Text, Images, Audio, and Video from Cornell University Library Collections (http://hdl.handle.net/1813.001/CULCopyright). The written permission of any copyright and other rights holders is required for distribution, reproduction, or other use that extends beyond what is authorized by fair use and other statutory exemptions. Responsibility for making an independent legal assessment of an item and securing any necessary permissions ultimately rests with persons desiring to use the item. Cornell would like to learn more about items in the collection and to hear from individuals or institutions that have any additional information as to rights holders. Please contact rareref@cornell.edu with any additional information or for questions about the collection.
