icated with water and a little soap occasionally ‘asthe quality of pondice would be thus improved, for it is equally well known that water from which the air has system of gearing just described, for drawing the wire, F, on the sides of the disk; the disk to be charged on the edge with diamond… … ries the ribbon that is first to be folded around light rotary motion, Do not add fresh emery the wire. when the specimen is nearly transparent, but Whex the cog wheel, P, is unkeyed and the still work the same over until] the scratches machine operated by power applied directly do not show. Then…
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