Austria, statistics of fires caused by lightning in 174
Baden, statistics of deaths from lightning in 173
‘Balls _v._ points,’ the controversy of 40
Banker’s iron safe struck by lightning 221
Bavaria, statistics of fires caused by lightning in 173
Becquerel (Antoine C.), his experiments on the conductivity of metals 51
Bevis (Dr.), experiments in electricity 7
Bibliography of works bearing upon lightning-conductors 231
Black Rock, Cork, St. Michael’s Church struck by lightning 184
Brass wire, the use of, for lightning-conductors 105, 107
Brescia, Italy, powder-magazine destroyed by lightning 200
Brussels, the Hôtel de Ville. The system of lightning-conductors at 111
Buffon (Count de), his opinion of Franklin’s first pamphlet on electricity 19
Buffon (Count de), his promotion of experiments in electricity 20
Buttor (Eustace) account of the striking of Christ Church, Clevedon, by lightning 208
Carthusian monks at Paris, electrical experiments made on 6
Cavendish (Lord Charles), experiments in electricity 7
Chains, iron, the use of, for lightning-conductors 102
Chimney-shafts, the protection of, from lightning 163
Chimneys and air-shafts, the protection of, from lightning in America 136
Churches struck by lightning 27, 38, 64, 65, 146, 147, 153, 176, 177, 181, 182, 183, 184, _see also_ 186–196, 201, 203, 208
Churches, the protection of, from lightning 152, 156
Coiffier first draws lightning from the atmosphere 21
Cleopatra’s Needle, the protection of, from lightning 141
Clevedon, Christ Church struck by lightning 208 ———— Eustace Buttor’s account thereof 208
Cockburn (Sir George) and Sir William Snow Harris 89
Collinson (Peter) Correspondence with Benjamin Franklin 12, 13, 17
Compass reversed by a lightning-stroke 56
Compensator for contraction and expansion in lightning-conductors 128
Copper, the relative value of different kinds of 109 ———— the necessity for its purity when used for lightning-conductors 109 ———— and iron, the relative electrical conductivity of 52, 143 ———— rope-conductors, the proper thickness and weight for different buildings 151 ———— description of 62, 164
Cromer, Norfolk, church damaged by lightning 147
Dalibard (M.), his experiments in electricity 20
Davy (Sir Humphrey), his experiments on the conductivity of metals 50