olding, say, half a 177- M HOW AN AEROPLANE IS BUILTdozen nuts in between the machine-vicejaws, in their correct position for slotting,we must prepare two pieces of angle steelwith vertical Vee slots cut in each of them.These Vee slots are for the purpose ofgripping the corners of the nuts… … PACK IIM& 1 PIECE J IG FOR HOLDING NUT5 TO BE SLOTTED Fig. 31. being either milled, planed, or shaped out.As these two pieces of angle steel will besubject to considerable work, it will be aswell to make them at least | in. thick allover, and case-harden them. THE USE OF THE JIG.Having made the…
Airplanes
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