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Title: |
1918 article - |
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Source: |
July 1918 Machinery |
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Insert Date: |
8/6/2018 11:04:10 AM |
From a longer article on "Supports for milling machine arbors":
https://books.google.ca/books?id=knI-AQAAMAAJ&pg=PA992
Accompanying text for the illustration of the Mergenthaler milling machine:
An early use of an adjustable overhanging arm with guideways is found in the Mergenthaler machine brought out in 1899 (Fig. 17). In this case the arm is adjusted in the head by means of a worm engaging a rack. |
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Fig. 17. The Mergenthaler milling machine
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