ntion. firmly sustaining the tool to be ground in the required posi- It may be operated successfully by young girls, and punch- tion. A fender plate, E, prevents the scattering ef dust while es a hole and inserts an eyelct at each stroke of a foot lever, facing the stone. with perfect uniformity,… … By the action of the foot lever the back is such that when the rubber wears away end of the lever, F, is raised, and being from long usage, the attachment by which it pivoted at Sa right-angled lateral projec- is held fast to the leg, becomes a nuisance, tion, II. forces down the sliding punch…
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