The second picture is of a commercially available lapping machine.
2.
Back home, Johansson converted his wife's Singer sewing machine to a grinding and lapping machine.
3.
In 1948, Crane Packing developed its own seal face lapping machines and processes, which evolved into Crane Packing s Lapmaster division.
4.
The result of this new venture was the introduction of a range of liquid diamond products and precision flat lapping machines developed for production lapping applications.
5.
The engines name comes from its use in Matthew Boulton's Soho Manufactory, where it was used to drive a line of 43 polishing or lapping machines, used for the production of buttons and buckles.
6.
When there is a requirement to lap very small specimens ( from 3 " down to a few millimetres ), a lapping jig can be used to hold the material while it is lapped ( see Image 3, Lapping machine and retention jig ).
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