122 
THE TELEGRAPH. 
wherever the placing of a bell insulator presented any diffi¬ 
culties are no longer employed. They were easily fitted, but 
their insulation was very imperfect in damp weather. They 
have been replaced by the ordinary bell insulators, which are 
fixed on posts away from buildings, or placed beneath viaducts, 
or on brackets attached to the posts, or cramped into walls. 
Fig. 60. 
In England supports are often so attached to the posts, that 
a broken insulator may be replaced by simply turning a screw. 
Figs. 63 and 64, which explain themselves, show the method 
as applied to a post or to masonry. 
