INDEX 



229 



PAGE 



Homer's Iliad in nutshell 136 



Honecourt, Wilars de 42 



Horsehair turning to snake .... 201 



Horses lifted by child 131 



Hydrofluoric acid 104 



Hydrophobia a misleading term . . 222 



Hydrostatic paradox 46 



Iliad of Homer in nutshell .... 136 



Impossible, fascination of the ... I 



Insect engineering 130 



Inventions, great, rarely made by 



accident 179 



Irradiation 152 



Jews, ratio accepted by the .... 13 



Keeley gold cure 97 



Keeley motor 69 



Kircher and palingenesy 106 



Knowledge is power 225 



Lacomme, on squaring circle ... 27 



Lamps, ever-burning 100 



Lens, Coddington 222 



Lenses, largest not most powerful . 197 



Library, Congressional, in hand-bag 145 



Light from electric earth-currents . 103 

 Lightning often strikes more than 



once in the same place .... 187 



Lines, geometrical 119 



Lines, direction of, deceptive ... 154 



Length of, deceptive 153 



Liquid air 65 



Lodge, Sir Oliver, on conservation of 



energy 5 



Longitude, relation of squaring the 



circle to 10 



Lost arts 195 



Me Arthur, on arithmetic of ancients 15 



Machin 16 



Magnetism for perpetual motion . . 61 



Man lifting himself 128 



Mathematicians how they go to 



heaven 8 



Mercury, fixation of 92 



freezing of 93 



fulminating, exploded on hand . 193 

 Metals. See Transmutation. 



PAGE 



Metius, Peter 16 



Micrography, or minute writing . . 136 



Homer's Iliad in a nutshell . . . 136 



Michael Angelo's seal 136 



Ten Commandments 136 



Bible in a nutshell 136 



Earliest micrographic engraving . 139 

 Micrographic copy of seal of Co- 

 lumbia College 139 



Peter's machine 141 



Lord's Prayer written at rate of 23 



Bibles to square inch 141 



Webb's fine writing 142 



Calculation in regard to .... 143 



Microphotographs by Dancer . . 144 

 Pigeon-post in Franco-Prussian 



War 146 



Millionaire, to become a 166 



Miracle dial of Ahaz 133 



Morgan. See De Morgan. 



Morton, President Henry 66 



Motion, perpetual. See Perpetual 



motion. 



Muir, Professor, on Archimedes . . 14 



Musitanus, Carolus 96 



Nail problem 164 



Newcomer's engine 183 



Newton, Sir Isaac 179, 180 



Nicomedean line 29 



Oil, why applied to whetstones . . 185 



Orffyreus his real name .... 77 



His fraudulent machine 77 



Overbalancing wheels 43 



Paint, luminous loa 



Palingenesy 106 



Paper, rice 223 



Patent office U. S. and perpetual 



motion 42 



Pelican error in first folio Shake- 

 speare 178 



Pen, a misnomer 220 



mightier than the sword .... 173 



Penknives 220 



Perpetual lamps 100 



Perpetual motion 36 



What the problem is 37 



Clock that requires no winding. . 38 



Watch wound by walking .... 39 



