[ J 9 r 1 
References to Plate VII.. 
AAA The conductor, a chain of copper wire, of the. 
thicknefs of the barrel of a fmall quill, the 
uppermoft and lowett links of which .ter- 
minate in fine points. 
B Fig. i. The broken links; in patting between* 
which, the lightning became vifible. 
C An eye in the uppermoft link, to which the 
pendant halliards are fattened. 
D Fig. 3. The pendant halliards, which pafs over a; 
fheave in the truck, on the top-gallant- 
maft-head, and are. fattened to the eye ate 
C, and hoift up the chain, till the point of 
the uppermoft link is a footer, two above 
the truck. 
EE The maintop-matt back' flay, to which the 
chain is flopped, to prevent. its Twinging, 
about. . 
E-Fig. 4. Appearance of the lightning patting be- 
tween the broken limbs. . 
xvm. ;h\. 
