Bacule

At the extremity of this Bacule, is tied a cord, which passes thro' the pulley S, and terminates at the extremity of the arm, where it is fastened to a little bowl M;

Source: wiktionary

The following works will be carried out during the year: Extensions to infectious diseases hospital, £5,000; extensions to borough sanatorium, £4,500; school clinic, tuberculosis dispensary, and new offices for medical officer, £ 7,500; ferro-concrete bridge over Orwell, £3,000; steel bacule bridge over Orwell, £ 7,500; and public swimming and slipper baths, £7,000.

Source: wiktionary

A bacule bridge having a stationary pivot, a counterweight having a stationary pivot, the bridge leaf and counterweight being adapted to rotate in opposite directions about their respective pivots, a vertical track located between the two pivots, a roller adapted to travel vertically along the track, and two stiff links,

Source: wiktionary

The new bridge is a double leaf trunnion bacule bridge of the “Chicago Type".

Source: wiktionary