Playtner, H. R. [from old catalog] · Chicago, Hazlitt & Walker · leaf 29
telligent division of angles for tooth, pallet and lift is oneof the great questions which confronts the intelligent horolo-gist. Anyone who has ever taken the pains to draw palletand tooth with different angles, through every stage ofthe lift, with both wide and narrow pallets and teeth,… … The Center Distance of Wheel and Pallets. The direc-tion of pressure of the wheel teeth should be through thepallet center by drawing the tangents AC and AD, Fig. 2to the primitive circle GH, at the intersection of the angleFBE. This condition is realized in the equidistant pallet.In the circular…
Clocks and watches
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
