impulse face

impulse face

[′im‚pəls ‚fās]
(horology)
Lifting surface of a club tooth on an escape wheel, or the surface of a pallet stone engaged by such a wheel.
References in periodicals archive ?
Also, Institut Esthederm launched Bronze Impulse Face and Body Spray, which reportedly protects cellular DNA.
And he avoids the pitfalls-into which the authors and compilers of so many similar books have fallen-by giving us a work that examines "the artistic impulse, the creative, communicative impulse face to face with the great upheavals of our time," and one that emphasizes"where one speaks, several speak.