Section 2(g) in The West Bengal Factories Rules, 1958
(g)[ "Hygrometer" means an accurate wet and dry bulb hygrometer conforming to the prescribed conditions as regards constructions and maintenance.] [Renumbered the clause '(e)', '(g)', '(h)', '(i)', '(k)' and '(l)' as '(d)'. '(e)', '(f)', '(g)', '(i)' and '(j)' respectively. vide West Bengal Factories Amendment Rules, 1991]
