- n. Plural form of escapement.
“(Though algebraic in mathematical thought, not geometrical, the Chinese were perfectly capable of making elaborate gears, clock escapements, and other devices dependent on rotary motion.)”
“It is really not a difficult matter to draft escapements in different positions, as an example will show.”
“It is well in drafting escapements to make them as large as possible, say thirty to forty times larger than in the watch, in the present case the size is immaterial, but we must have specifications for the proportions of the angles.”
“_ While the lifting action of the lever escapement corresponds to that of the cylinder, the fork and roller action corresponds to the impulse action in the chronometer and duplex escapements.”
“We will use one of 28° in our draft of the double roller; we might however remark that this angle should vary with the construction of the escapements in different watches; if too small, the balance may be stopped when the escapement is locked, while if too great it can be stopped during the lift; both these defects are to be avoided.”
“It is _impossible_ to plant pallets on the tangents in very small escapements, as there would not be enough room for a pallet arbor of proper strength, nor will they be found planted on the tangents in the medium size escapement with a long pallet arbor, nor in such a one with”
“We see the majority of escapements made with narrower teeth than pallets, and for a very good reason.”
“Swiss, French and German watches are made with equidistant escapements, while the majority of English and American watches contain the circular.”
“No one can comprehend the geometrical principles employed in escapements without a knowledge of angles and their measurements, therefore we deem it of sufficient importance to at least explain what a degree is, as we know for a fact, that young workmen especially, often fail to see how to apply it.”
“We should see many fine watches made with such escapements if the means for producing them could fully satisfy the requirements of the scientific principles involved.”
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