George III., his opinions on lightning-conductors 41, 42
German technical terms for lightning-conductors 102 ———— theories on the earth connection 212, 214
Germany, the progress of lightning-conductors in 43
Gilbert (Dr. William), his electrical discoveries 2
Gratz, Austria, buildings struck by lightning at 68
Gray (Stephen), his researches on electricity 3
Guericke (Otto von) his electrical machine 2
Harris (Sir William Snow) his efforts for the protection of ships from the effects of lightning 85 ———— and Sir George Cockburn 89 ———— his system for protecting ships 90 ———— his ‘Instructions for powder-magazines’ 93 ———— his system for the protection of Westminster Palace 98, 118
Hauksbee (Francis), his researches on electricity 2
Hemmer (Rev. Dr.), his theories on the earth connection 200
Henly’s system for protecting ships from lightning 90
Highbury Barn, electrical experiments made at 8
Holtz (Dr. W.), on the construction and maintenance of lightning-conductors 223
Humboldt (Alex. von) on the height of lightning-clouds 67
India, the use of lightning-conductors in 92
Ingenhousz (Dr. Johan) and lightning-conductors 47
Inspection of lightning-conductors 218–229
‘Instruction’ of the Paris Academy on lightning-conductors 75
Iron and Copper, the relative electrical conductivity of 52, 143 ———— safe, a banker’s, struck by lightning 221
Italy, the progress of lightning-conductors in 44
Jarriant’s system of lightning-protection 133
Kastner (Professor), his report on the partial destruction of Rosstall Church by lightning 106
Kew, lightning-conductor erected by George III. at 41
Kinnersley (Ebenezer), his lectures on lightning-conductors 27
Kite, Benjamin Franklin’s experiment with 22
Kleist (Ewald George von) and the discovery of the Leyden Jar 5
Landriani (Professor), his theories of earth protection 201
Laughton-en-le-Morthen, church damaged by lightning 153, 176 ———— R. S. Newall’s comments thereon 153, 154
Lead, the use of, for lightning-conductors 104
Leicester, St. George’s Church struck by lightning 177
Lenz (Professor) his experiments on the conductivity of metals 52
Leopold, Duke of Tuscany, and lightning-conductors 44
Le Roy (David) and the protection of the Louvre from lightning 80 ———— (J. B.), his theory of protecting buildings from lightning 101