1862 London Exhibition: Catalogue: Class 7.: Crawhill and Campbell
From Graces Guide
1581. CRAWHALL and CAMPBELL, Glasgow.
Horizontal boring machine, with adjustable bar, self-acting, and slide tables.
The exhibitors are manufacturers of machines and tools of every description for mechanical engineers.
They exhibit a SELF-ACTING HORIZONTAL BORING MACHINE, having the boring bar adjustable in height by self-acting motion; with a bracket for supporting the end of the bar when necessary, and a strong bed with adjustable slide tables for carrying the work to be operated upon.
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