Description and condition:

Yellow boards hardback, dustcover, 8vo, 248pp, index, bibliography, b/w illustrations.

Very good with nice bright clean pages throughout, has a very slight lean. In very good dustcover. (the previous owner was a restorer and repairer of clocks)

Contents:

Essential reference book for clock makers, repairers and restorers. Covers: verge escapements; anchor escapements, the graham deadbeat, the brocot escapement; platform escapements, other deadbeat escapements; gravity escapements, harrison's grasshopper escapement, pendulum suspensions; pendulums.