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TABLE OF CRANK TRAINS. 325
12. Swinging slider-crank . . (OJP- 1 -)'
13. Isosceles (turning) slider-crank (6^
14. Isosceles turning block (slider-crank) . . . .
(7. Normal double slider-crank chain
15. Turningdoubleslider(-crank) or swinging cross-block .
16. Turning cross-block , . . (C^P^Y
1 7. Swinging double slider (-crank) ( G\ Pf ) c
D. Crossed slider-crank chain
18. Crossed (turning) slider -crank. (C
19. Crossed swinging block . . (Og
20. Crossed turning block . .
21. Crossed swinging slider-crank
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