Show Good Way to Lay LayOut LayOut Out Your Panels How Paper Covering May MayBe MayBe Be U Used ed in Satisfactory Manner The writer has haa been somewhat BUr sur surprised In looking over tho the many pub pub- published directions for building radio sets Bets eta to note noto that while considerable attention Is s often given to the th proper layout of ot the tho different pieces of ap apparatus op- op apparatus on the panel pan l and sometimes sometime exact dimensions lon are ari given tot drill drill- drillIng ing Lag drilling the holes and placing thu Instruments instruments Instruments ments no directions ore are nr given as to t the tho best method of ot transposing these then dimensions dimension to the panel panel In hand or forth for tor forthe r the core care car of ot the tho panel while drilling Old Method Unsatisfactory Anyone who has tried the tir old method metho d of at clamping or pasting a piece of ot pa- pa paper pa paper per per pa-per to the face of ot tho the panel and draw v dravIn lag ing drawing In the tho layout on this paper e drilling knows how hard It Is to do d da doa 0 a good Job In this manner because the th paper tends to bulge and aa sag at differ eDt eat pots spots If It clamps clamp are ure used In add addi tion addition to this the clamps are In tho the way wa y during th the drilling and are likely to t o sUp slip and throw tho the holes out ont of ot align alignment ment went as well Hell ell as to mar tho the hIghly y polished surfaces The following method ha has been u used e for tor some som time by the writer and has bas proved highly h satisfactory A pIece of tough wrapping paper Is 19 secured and cut as shown In the diagram This paper should be Le twice the width of ot the th I panel plus plu two Inches In one dImen dimen- dimension slon sion and as long as the panel plus six fb Jac Rr or PArn a q i 0 l o f roto 5 U OPt Our r 1 OVER Panel Drilling Template T That Will Not Slip Out of Position Petition Inches In the other The corners comers are then cut out as shown and the Ur edges and ends creased along the tb dotted lines The Tho paper should next be b laid out ont Hat flat on a smooth surface and rubbed rubber ontI I evenly Tenly with n a damp cloth until the th entire paper shows damp on the opposite opposite site side The panel should now be b placed face tace down In the center of ot the th paper and the two edges edge lapped over and glued The ends should then be b folded down do and glued over the folded edges thus thu forming a closely envelope envelop around the panel Drying the tho th Panel The covered ered panel Is now placed In Inthe inthe the sunshine or clos close to a 0 warm stove or radiator and allowed to dry When wet vet the paper expands a considerable amount and being placed over the th panel In that condition It will vil gradual gradual- gradually gradually ly shrink as It t dries and so become stretched as tight aa u a drum across the panel The Tir desired panel layout can now be b drawn on the smooth side aldo of ot the paper and the tir hole holes to be b drilled can be b marked and ond center punched There Ther Is li lino no danger of ot the tir paper slipping and I the tir panel Is protected on both sides side until all machine work has b been n done don Then the paper can b be torn off ocr and th the panel will emerge In perfect condition |