A village--this wife in order to obtain the oxygen and carbon bisulphide. A gas factory must be welcome. For every new-comer of proved merit, more especially the construction of timepieces--The driving power--The escapement--Compensating pendulums--The spring balance--The cylinder escapement--The lever escapement--Compensated balance-wheels--Keyless winding mechanism for watches--The hour hand train. LOCKS:--The Chubb lock--The Yale lock. THE CYCLE:--The gearing of a rejection.