ment, never-yielding 37
Changes on twelve Bells 58
Charcoal for Fire-works 164
Chase, magic 88
Coins, to take impressions of 44
Compositions for Fire-works, method of mixing 168
Concerto, solar 62
Cork heavier than Lead 81
Correspondence, secret 18, 25
by music 20
Coruscations, artificial 136
Cotton electrified 92
Crackers, to make 169
Cylinder, illuminated 91

Dance, magic 86
Dancer, hydraulic 49
Detonating works 190
Girdle 190
Balls 191
Tape 191
Cards 191
Dial, magnetic 71
Dodecahedron in Fire-works 187
Duplicates, ten 102

Earthquake, artificial 22, 86, 187
Eclipse of the Sun, to observe 129
Egg, to form Figures on, in Relief 35
Eggs, white of, contains an Alkali 144
Electric effects of a Russian climate 30
Electricity, experiments in 83
Resin lighted by 95
Spirits ignited by 95
Eolian Harp, to make 137
Exhalations, subaqueous 137
Explosion, brilliant, under Water 54
Explosion, magical