The Measureyrient of Saw Logs 



93 



THE INTERNATIONAL LOG RULE. 



Formula : (D' X 22) — 7rD for 4 foot sections. 

 Taper allowance : ^ inch per 4 feet lineal. 

 Standard scale for saws cutting a ^-inch kerf. 



— CO IOP4 Q'l--U-)rOIN O 

 O O — N rO ro ^ lOvO !> 



lOiOO^OO OOiOOiO 



10 O lO lO 10 

 O 00 >0 CO - 

 rO rO ■* 10>0 



O O O O 10 

 10 — r- fO 0^ 

 CO O On O O 



to 10 lo o 10 



O\oo r-- t^^ 

 f^oo Oi O - 



-^ -I -^ C>l CN 



O 10 O O O 

 O CO t^vD 10 



t^ r^QO ON o 



10 lO O lO O 



v£) vD t-- r^:/j 

 p< N CM n c< 



O 10 uo lO O 



10 10 o o o 



10 o o o o 



►- (S rO rt 10 

 N M M w C» 



t^ 0^ O — P< rO -^VO t>-00 



ID O O O iC 



T lOVO t^OO 



vO r^co ON O 



PI c< (N IN ro 



O 10 10 10 O 

 O — ro lOCO 



CO CO fO rO CO 



u-jiOOiOO OOOiOO QOuoOiOiOiOiOOiO 

 OOOt^lO-^rOCS — 00 OOO'-i'- (SrO'^^t^ 

 ^vOt^OO O^ O — P< cO'^liO^r^OC 0^|0 i-' <x cO^ 

 — -<M — «,(NCHNPlM|CNPIP<CSPI,cOcOrOcOrO 



O ID 10 10 10 



vO C^ ONVO CO 

 ■I CM PI CO ■^ 



O 



o 



o 

 » 

 o 



w 



oO'oioioiooooio'oooioio 



OiOO^P) COiO — COT}- >-i ON^O CO — 

 COOOOnOnO.O'-'PIOIcO'*'^ lO^ r^ 



O 'O in lo lo 



— 00 V£) rj- CM 



10 lo^o t^oo 



O to 10 O 10 



— OnoO r^sD 

 On On O - M 



O O 'O O >o 

 ON r^ to •* p< 



t^CO On O - 

 ^ _ .- PI p( 



10 O LO 10 10 

 lO 10 T tT •* 



CO •* iON£> r^ 



PI CM PI PI P) 



O O O ID o 



- o ONOO CO 



PI CO CO Tj- lO 



PI PI CM PI PI 



O 10 O 10 lO 

 lO >DVO VO t^ 

 00 On O — tN 

 CM PI CO CO CO 



10 O O 10 lO 



r^ t--. r^ t^ t^ 



^ r^OO On O 

 PI Pt PI PI CO 



lOiOO O lO'iOiOiOiOO 

 t^Onuoo lO— t~>.co OnnO 

 t^ t^OO On ON O O i-i -^ PI 



I lO o o o o 

 i ON -!i- On -r}- On 



10 10 O O 



100 O O Ol"0O O iO>0 

 PI OnVO CO O t^ id CO O CO 

 rO CO "* lOVO NO t^X ON On 



O O O 10 O 



NO CO o r^ lo 

 ionO r^ i-^co 



10 >0 10 ID 10 



PI 00 vo ■* 



ON O O — f^ 

 — PI PI PI PI 



O 10 ID o o 



CO - O OnCO 

 CO ■* ID >DnO 

 PI PI PI PI M 



O 100 IDlDU^lDu^O iDiQ O O O O 



rfoo CO r^ PI r^ Pi t^ coao , -^ o no pi co 



vOnO t^t^COjCO OnOnO O'— pi t^ cOcO 



O O O ID ID 

 ON CO t>. — ID 

 IDVO VO t^ t^ 



80 ID ID ID 

 ID ON •^ On 



00 00 00 ON On 



O Q 10 ID O 

 ID O lO — J~» 



O — — PI CM 



•^ ID iDnO t^ 



o o o o »o 



CO ON ID — t^ 

 CO CO T}- ID ID 



O O "0 ID UO 

 ■«r -" t^ -3- — 



NO !>• t^oo o> 



5 Q 10 O 



I VD CO — 



O IDO O O'lOlDO iDOIO O O O OlDO lOlDOlO IDIDC 100 IDIDIDID 

 •rrt---^ 1D^3^ rOr~.Pl^ — NO — NO — vOl— t-~.~'CO "^ O^O PI ONlD CMCO IDPI On 

 iDidnOnOnO t^r^XCOONO^OO-— CMCMcoco-^iDiONONOr-oOoOONOO 



— i-i CM PI 



ID O <D O iC 

 00 IN ID ON CM 

 Tt ID ID >DN0 



ID ID ID ID ID 



NO w ■^OO PI 



»0 t^ t-» r^oo 



IDIDIDOO iDOiOiDO 

 cOnO on cONO on -OnO O Tt 

 Tt-*"^iDiDliDvONO t^t^ 



ID O O O 10 

 00 - 1- f-- On 

 CO TT 'T -^ "* 



ID Q O O ID 



C NO ON P< ID 



ID ID tDNO NO 



O ID O 10 >D 

 r>. — NO O "0 

 00 ON ON C O 



80 ID ID O 

 ID O 10 " 



— — CM PI CO 



C 10 O 10 ID 



. On coco pi l^ 

 ' on; ON O O 



Q ID O O ID 

 On n VO O CO 

 NO t^ t^OO 00 



ID >D ID Q O 

 t^ ™ ID Q •* 



00 ON On G 



Q O >0 O O 



VO CM t^ CO ON 

 rO "^ 'a- ID ID 



O O 10 ID I 

 ID -" t-^ CO '_ 

 VO t-» r^OO On 



IDIOIDIDO 0>D00i 

 PI t^ PI r^ CO 00 f^ Q^ iTi 

 rt PI COCO^I-^IDW. NO I 



ID ID O O 



00 CM t^ PI NO 



O — — PI PI 



CO CO "* '^f ID 



