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Geometric chuck, 19th century.
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Geometric chuck, 19th century., result 1 of 1

Item Details
Open Artstor
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Title
Geometric chuck, 19th century.
View of Alabone's chuck in the Mathematics Gallery
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Work Type
Mathematics
Date
1839-1900
Location
London
Description
Compound four-part geometric chuck, by Holtzapffel and Co. with change wheels and accessories, in two mahogany cases; also special stand for operating, with fifteen designs drawn by the pen
Compound four-part geometric chuck by Holtzapffel and Co, with change wheels and accessories. The Geometric Chuck was invented by J H Ibbetson in the early 19th century for the purpose of producing intricate patterns. Generally used on lathes for ornamental turning, this is the only known surviving example of a four stage chuck. The movement of each stage is defined both by its speed of rotation and by the amount the centre is offset compared with the stage below. These two factors give each stage an epicycloidal motion which is superimposed upon the movement imparted from lower stages.
Compound four-part geometric chuck by Holtzapffel and Co, with change wheels and accessories. The Geometric Chuck was invented by J H Ibbetson in the early 19th century for the purpose of producing intricate patterns. Generally used on lathes for ornamental turning, this is the only known surviving example of a four stage chuck. The movement of each stage is defined both by its speed of rotation and by the amount the centre is offset compared with the stage below. These two factors give each stage an epicycloidal motion which is superimposed upon the movement imparted from lower stages.
Accession Number
ID Number
co60751
Source
Image and original data from Science Museum Group
Rights
The source metadata displayed in the Description field is released under a Creative Commons Attribution 4.0 license.
All other source metadata is released under Creative Commons Zero.
File Properties
File Name
large_D090771.jpg
SSID
26326853

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