 С, and P of the Peaucellier cell in Fig. 7, we see how P comes to describe a circle. It is hardly necessary for me to state the importance of the Peaucellier compass in the mechanical arts for drawing circles of large radius. Of course the various modifications...  How to Draw a Straight Line: A Lecture on Linkages - Page 23by Alfred Bray Kempe - 1877 - 51 pagesFull view - About this book
 | Sir Norman Lockyer - Electronic journals - 1877 - 836 pages
...describes a circle about Q, P will describe one about Q'. Taking then O, C, and P as the O, C, and I1 of the Peaucellier cell in Fig. 7, we see how P comes..." cell " I have described may all be employed for Ihe purpose. The models exhibited by the Conservatoire and M. Breguet are furnished with sliding pivots... | |
 | Sir Norman Lockyer - Electronic journals - 1877 - 598 pages
...С describes a circle about Q, P will describe one about Q'. Taking then O, C, and P as the О, С, and P of the Peaucellier cell in Fig. 7, we see how...the Conservatoire and M. Breguet are furnished with sliding pivots for the purpose of varying the distance between О and Q, and thus getting circles of... | |
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