Popular science monthly . Fig. 1. The clamp which holds the plane blade is made of iron with an oak sliding block away fnjm the block. Before attachingthe block, rabbet the lower corner whichwill overlap the plane or chisel blade, orinlay a small strip of fairly stiff brass inthe top of the oak block, setting it withglue, .so as to form a wearing surface forthe vertical screw, as when sharpeninga narrow blade the oakblock may come underthe screw. In order tohave the emery wheeland guide always in lineand set up square it iswell to have the wheelclamped to a board whichcan be used as a pcr-then
Popular science monthly . Fig. 1. The clamp which holds the plane blade is made of iron with an oak sliding block away fnjm the block. Before attachingthe block, rabbet the lower corner whichwill overlap the plane or chisel blade, orinlay a small strip of fairly stiff brass inthe top of the oak block, setting it withglue, .so as to form a wearing surface forthe vertical screw, as when sharpeninga narrow blade the oakblock may come underthe screw. In order tohave the emery wheeland guide always in lineand set up square it iswell to have the wheelclamped to a board whichcan be used as a pcr-then the device can be S/D£ l^/£iV. £NO Vf£lV Fig. 2. The wheel is clamped to a board whichmay be used as a permanent base for stability fND VIEWOfRUHWAy sioe vicKf Fig. 3. The runway may be made of wood andshould be twice the length of the sliding manent base;fastened to the workbench as a unit orhung out of the way when not in runway itself is made of wood, asthe wear is veryslight. It shouldbe at least twicethe length of thesliding it about ij^in. wide by 5i^ With arabbeting planetake ofT the topto the depth ofJ^ in., lea\ing asmall raised edgeabout J s • by3/^ in., which is toguide the clamp,as shown in thedetail in Fig. way would be to screw on athin metal strip, raising one edge g the top of the runway. Fastena small angle iron at each end of thethem to the slidingsupport on theright, and to ajcQpcrmancnt sup-port on the otherend. Small bollswith thumb mitswill render therunway adjust-able, so that ab 1 a d e c a 11 beground at any<lcsirr(l angle. The r
Size: 1988px × 1257px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
