regard to the oil used, machine, engine, neatsfoot and sweet oils are all suitable. Clean the stone after use. Knives are sharpened at an angle on both sides, and willtherefore have one side rubbed on the stone a few times and willthen be turned over to rub the other side. Pen-knives can be… … Fig. 280make them octagons.^ Drill a hole through the centre of e (Fig.281). Into this hole glue a wooden meat skewer or roimd rod ^ To make an octagon from a square A B c D. Draw A d and B cA J H B
Toys
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