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 UNIVERSITY OF ILLINOIS LIBRARY AT URBANA-CHAMPAIGN 
 
 NOV i 1 
 
 r-^t i% *^ ^ .. .. 
 
 OCT 
 
 OCT 1 1 1395 
 
 L161— O-1096 
 
Digitized by the Internet Archive 
 in 2015 
 
 https://archive.org/details/treatiseonclockwOOreid 
 
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 i 
 
 i 
 
 1 
 
 \ 
 
ri^ATE 11. 
 
IM.ATK 1 1 A 
 
PLAT I'] III. 
 
PLATE IV. 
 
 25 
 
PLATE y\i 
 
PLATE \ II 
 
PLAT E X J 
 
 VVUKKI. VVOHK »()K K^IAIION OK I I MK )fc( 
 
 i^T URBANA-CHAMPAIGN 
 
ROY'S MARIME T IM EKE E P j: K 
 
/■'ahrf:n/i(l(.l.rro/f 
 ascc mz/wnly mut/t 
 
 9 3 0- 
 
 lit Pali/ f 'Jiet/.f- rcnU 
 1 DO 
 
 C. ^Z^''" Ce7iti^?-(icie 
 
 H.. ./f'^' Ifef^.u ?nu7- 
 
 
 
 SoLMion i 
 
 F 
 
 C 
 
 C=F-3 2X.5^.9 
 
 F 
 
 R 
 
 R=F-3 2a4^,9 ' 
 
 C 
 
 F 
 
 r=C X 9 ,0+3-2 
 
 C 
 
 R 
 
 R=CX4^5 
 
 R 
 
 F 
 
 F=R X 0 ^ 4+3 2 
 
 i ^ 
 
 C 
 
 C =R X 5 ^ 4 j 
 
 4'^ 
 
 "i// l!xay//plc r/>r//h case 
 95 F ■ '■ -> " V 
 95 F i ' J !> H 
 40 CX £( + 3t.3 9=104 F 
 40 CX 4 + 3 = 3<2 R 
 '20BA 9+4+32 = 77 ''^ 
 20 RX 5 - 4 = 25 C 
 
 .Ah 
 
 Z'Z e7.a.Ce.. lO- 
 
 _= S(c^C4- S./ioif 
 
 PI.ATE xrv