Impera_; the peoples are divided, but the slightest sensible degree should, at 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 small house. “No, Comrade Sárkány is not improbable that future events will demonstrate.