Photograph
28" Old Type Gisholt Turret Lathe
| Close-up of a 28" Old Type Gisholt turret lathe at the Packard Motor Car Company factory. This lathe machined a brake band support. The original envelope housing this photograph was inscribed with the following information: "Showing special jaws for holding piece, the lower jaw is solid, the upper jaw has a convex bearing between the 4 set screws which are in a plate that is held to the upper jaw with a screw and small spring, the 4 set screws next to the chuck are adjusted and held in position with set screws, the 4 front set screws are adjusted for each piece." |
| Image ID: | 133334 |
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| Creation Date: | 08 14 1911 |
| Creator Name: | Unknown |
| City: | Detroit |
| County: | |
| State: | Michigan |
| Collection Name: | Gisholt Machine Company negatives and photographs, circa 1900-circa 1960 (bulk circa 1910-circa 1930) |
| Genre: | Photograph |
| Original Format Type: | negative, original |
| Original Format Number: | PH 7114 Box 3, Sleeve 2 |
| Original Dimensions: | 7 x 5 inches |
| This image is one of three in a set showing the 28" Old type turret used at the Packard Motor Car Company in the Gisholt Machine Collection. The other two can be seen as following: one as Image ID: 133336; and second as WHS archive file M2017-013.3.4. Further envelope information on this series states: that the material used was cast steel and there were two operations. "First operation - chucked in combination jaws, trued up by outside diameter of large end with trueing device. Rough bore minimum average time 5 minutes per piece. The piece is then straightened by blacksmith. "Second operation - chuck with combination jaws, true up inside of large bor with centering device. Rough and finish bore and face for 6" x 14 tap, cut 1/4" relief at bottom for tap. Rough and finish bore and ream 2 31/32" x 5" bore. Rough and finish tap 6" x 14 x 1 5/16" deep. Floor to floor time 12 1/2 minute. Average time 16 minutes. Limits .002"." |
| Factories |
| Automobile industry and trade |
| Machinery |
| Automobile supplies industry |
| Indoor photography |
| This image is issued by the Wisconsin Historical Society. Use of the image requires written permission from the staff of the Collections Division. It may not be sold or redistributed, copied or distributed as a photograph, electronic file, or any other media. The image should not be significantly altered through conventional or electronic means. Images altered beyond standard cropping and resizing require further negotiation with a staff member. The user is responsible for all issues of copyright. Please Credit: Wisconsin Historical Society. |
| Location: | Wisconsin Historical Society Archives, 4th Floor, Madison, Wisconsin |
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