CIIHHKH. H TaK H 6yAY Ha3hIBaTb HX «CnHHKH», TaK KaK OHH npOHHbl H He CAHIIIKOM TOACTbl), BrOHHfl HX TaK, HTOÓbl BblCTynaiOil^e H3 TAHHbl KOH-ipj AdBaAH TOHHyio Mepy. KoHenHO, npe^Ae neM cjDHKCHpoBaTb MecTa BnaAHH, cAeAyeT tohho paccHHTaTb, Ha KaKoń Bbicore HaA rpyAHHOH h Ha KaKOH rAySHHe ot noA^opoAKa ohh aoa^khw noMemaTbcn. Aa* ototo OHeHŁ nOAe3HO n0AŁ30BaTbCH OTBeCOM; He 60HT6Cb 3aTpaTHTb AHHIHHe yCHAHH, h6o 3TH ABe TOHKH HBA5HOTCH OTIipaBHblMH AAH BCeX AaAbHeńlIIHX H3MepeHHH AHi^a. OTMeTbTe TaK»e cnepeAH, HaxoAOTc* ah 3th tohkh Ha oahom ropH3OHT0LAbHOM ypoBHe. KorAa Bbi coBepmeHHo yBepHTecb, hto BOTKHyAH CIIHHKH B Hy^KHbie TOHKH, HaAOJKHTe HeMHOrO FAHHbl BOKpyT, HTOObI 3aKpeiTHTb HX|
2) noBepHHTe moagab h paóoTy b npcx|)HAb h c noMonjbio ahhchkh hah KaKoro-HHóyAb Apyroro npaMoyroAbHoro npeAMeTa, KOTopun CAeAyeT Aep^caTb b BbiTHHyroH pyKe b ropH30HTaAbHOM noAoaceHHH, onpeAeAirre, Kanoe noAOxceHHe 3aHHMaeT kohhhk Hoca no OTHOmeHHio k BnaAHHe yxa, t. e. HaxoAHTCH ah oh c Heń Ha oahoh npHMoń hah pacnoAoaceH Bbime hah HHJKe ee. Hcah kohhhk Hoca HaxoAHTca He- Ha oahoh npHMoń c Bna-AHHoh yxa, nocTapaHTecb 3pHTeAbHO 3anoMHHTb HMeiomeecn OTKAOHeHHe h ynecnb ero, KorAa bbi A^pacHTe AHHeóKy nepeA Barneń paóoTOń h ot-MenaeTe ciihhkoh MecTO KOHHHKa Hoca. TmaTeAbHO npoBepbTe HaMAemryio TOHKy CO BTOpOrO npO(jDHAH, HTOÓbl HOC 6bLA TOHHO Ha CpeAHeH AHHHH
3) OTMeptTe Ha moagah paccTOHHHe ot BnaAHHbi yxa ao caMoń bw-crynaiomeń tohkh Ha kohhhkc Hoca (pnc. 38; cAeAańTe 3to H3MepeHHe Ha o6enx cTOpOHax Anna, h6o nacTO paccTOHHHe Me*Ay sthmh AByMH TOHKaMH Ha npaBOH h Ha AeBOń cTopoHax He coBnaAaeT); HaHecHTe 06-Mepbi Ha Barny paOory. KorAa bbi HaHASTe npaBHABHyio TOHKy aah o6enx cTopoH AHi^a, BroHHTe cnHHKy TaKHM o6pa30M, HTo6bi ee BbicrynaiomHii H3 rAHHbl KOHHHK npHX0AHACH KaK pa3 B 3T0H TOHKe;
4) H3MepbTe paccTOHHHe ot KOHHHKa Hoca ao caMoń BbicTynaiomeH tohkh noAÓopOAKa, t. e. ao noAKOHCHoro noA6opoAOHHoro bo3bbmiehhh ; 3aTeM octopoxcho noMecTHTe HOHtKy ipipKyAH b TOHKy, o6o3Hanaiomyio kohhhk Hoca, h npoBeAHTe Ayry nepe3 noAOopoAOK. AeP*HTe iprpKyAb oahoh pyKOH, a APyroó botkhhtc cnHHKy b i^eHTp npoBeACHHOH Aym, oc-TdBHB AOBOAbHO ÓOAbUIOH KOHeiJ (pHC. 39);
5) HTo6bi 6biTb yBepeHHbiM b tohhocth npeAMAymnx oOMepoB, H3-MeptTe ipipKyAeM paccTOHHHe ot yxa ao noAOopoAOHHoro B03BbimeHHH (pnc. 40), h ecAH 3tot oÓMep, CAOAaHHbiH, KOHenHO, ot o6ohx ymen, coBnaAGT c HaMeneHHOH npencAe tohkoh Ha noA^opoAKe, to 3to idbopht 3a npaBHAbHOCTb Barnero nepBOHanaAbHoro oÓMepa. Ecah »e HeT, to BaM npHAOTCH H3MeHHTb noAO^eHHe cnHHKH — Bbrrauprrb ee hah npo-ABHHyTb BHyrpb — h npoH3BOAHTb o6a oóMepa 3aHOBO, noKa ohh He cob-naAyT;
7) H3MepbTe b npoc|)HAb paccTOHHHe ot yxa ao HanaAa boaoc; nepe-ceKHTe c noMOi^bK) i^npKyAH Ha Barneń pa6oTe Ayry, npoBeAeHHyio npn npeAWAymeM oÓMepe. 3tot o6Mep cAGAaHTe c Asyx CTopoH, h TaM, rAe tohkh nepeceneHHH coBnaAyT, botkhhtc cnHHKy (pnc. 42).