. Industrial Education Magazine . b*4f| ^—*4. .^t^. \ 7 ?/? /C i^ W g<o. R. Wiffcuohby PROJECTS, PROBLEMS AND NOTES 89 part require the finishing of surfaces at rightangles to another flat surface; the horn furnishesround and pointed work; and the lower part ofthe base gives practice in filing the junction be-tween a curved and a flat surface. Then, if it ispossible to drill a hole in the top of the anvil, in-side filing practice can be brought in. The material used may be cast iron, brass oraluminum, which will have to be cast and whichwill, of course, require the making of th
. Industrial Education Magazine . b*4f| ^—*4. .^t^. \ 7 ?/? /C i^ W g<o. R. Wiffcuohby PROJECTS, PROBLEMS AND NOTES 89 part require the finishing of surfaces at rightangles to another flat surface; the horn furnishesround and pointed work; and the lower part ofthe base gives practice in filing the junction be-tween a curved and a flat surface. Then, if it ispossible to drill a hole in the top of the anvil, in-side filing practice can be brought in. The material used may be cast iron, brass oraluminum, which will have to be cast and whichwill, of course, require the making of the patterns are not very difficult to makeand it is usually easy to obtain unlimited numbersof castings. If there is no foundry available, itis possible with one snap-flask and a little moldingsand to make castings of aluminum which canusually be purchased in the form of scrap at aboutthirty cents per pound and melted in a babbittladle in a forge. The weight of an aluminumanvil is less than half a pound. Thus we see that in using this anv
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Keywords: ., bookcentury1900, bookdecade1910, bookidindustrialed, bookyear1910
