CONTENTS CHAPTER I m OO NQUB ST 03 THE 2021 38 ‘ — - mar r s mass . R f r r i s ine co p , p 7 e e ence to the thi ty two po nt of — ' mass C a r . al s s rva s the co p by h uce , p 9 H ley ob e tion on the r 1 0 changes in the firection of the compass in a oentu mp . — D v atio mass . x x v a Carne ie the e i n of the co p , p The oy ge of the g , — " ma shi . u rs s rv non gnetic p, p The dip of the needle fi t ob e ed — m r c m ss v R r rma . x a by obe t No n. p 3 The ode n o p in ented by — . l M a r k . x The inven r Rab fl Lo d in, p ‘ g by de d ec oning, p 4 “ ” — — m r . x v m . i l g, p s T e g , p 7 T d p tion of the o — h ode n lo — he e elo ent oi s x a . as r a . x ua ra v the e t nt , p is The t ol be , p o The q d nt in ented — — a . z o r s x a . z x r by H dley , p The pe fected e t nt, p Pe fecting the — m e s v chmometer . a e e Br s , p 3 The ti epi c in nted by the iti h — ar r arr s n . si r z won arr s . c pente , John H i o . p s The p i e by H i on . p ' - As r s — . Difi A lmanac o a s u . x . p 3 ce t ining the hip longit de, p 3 “ " — n . M culties of taking the snn at oon p 33 easnrin a de ree of — g g a ude . s rva s R r rma . l tit , p 34 The ob e tion of obe t No n p 35 - u N autical Almanac . S u s and The f nction of the , p 37 o nding — ' — ar s . 3 r a r s r o . ur nu ch t . p 4 Me c to p ojecti n , p 44 The l e of the — — ’ k . u s of the . mma r Pear s w . p 4 5 Th q ole , p 4 7 C d y no n e— e t P o n e a v m . s rvat s are ma ar t r s . p 4 9 H w b de c c g , chie—e ent o o e ion —in i e ion . 0 ak s rva ns at the . ir Dimcn as uies p 5 M ing ob e tio Pole , p s to r at . di ection the Pole. p 54 CHAPTER II T HE HIOR WA Y 0 ? THE WATERS - Uee of eails in ancient times . 6 Shi s with man banh . p 5 p of — — y edim sh . ar . Mval i s r s sai s s 6o o . p 5 7 p , p 59 Mode n ling hip , p . The er i — na re r S ov e n o the S as . oo Eatl The iling co d of g f e . p y — ' a mts v a s am a . 6 R r s CW ont tte p to in ent te bo t . p 3 obe t Fulton , — — . am B 6 s a as o ar . 66 harla”: p 4 The te bo t of l c de G y , p The C — Dundas . 6 s am a v b . h S v s , p 7 The te bo t in ented y Col Jo n te en , [ iii ] CHAPTER III commas vx u m ‘ — vid b at mbmarin . Da cri tion of Da Bushnell a o . g p m p . p 94 Attemts to eink a war vmel dufin the Amu -ican Revolufio p g mp. — — d . 1 8 1 . t oe A euccmful v a x c 3, p g b , p 3 The dnkin of in — i in o t g HM . x su mar s c R and m , 4 sub erfiblm the p ecent b ine , — — uand . x oG The Lake . t o The Ho t e oi bu p g , p yp g p. rec r ma v r m s mar av a n . b b b g , p ro P o le to e o e co e in u in—e n i tio o Present etatus of su mar a s . x x x roblemot m b ine bo t , p The p g CHAPTER IV THE 87 8 A “ LOCOU OTIVI ” - su s arl s ra a . t a T r , p r T b g w ls he e ie t il o d — he titution of fl n ed hee for a ra s . u o m v R ar r vi ck g , p T T , fl n—ed il he loco oti e of —ich d e thi . rat a r a C a ma . u n v p T b p , p 3 S p e s s s he c le o—d of h n te h on —ol e r m . i V rsa n S s . i n Hie the p oble , p t e tility of tephen on , p s — ’ ar m v s . rao S e s s mt v 1 83 e ly loco oti e , p teph n on loco o i e of 5 , p. — — u rs ass r a . z zs v r an Ma d n 7 The fi t p enge co ch , p— The Li e pool chwter Ra a r . ra i s am for s p , p g C ilw y ojected — ond tion n ed te ting m m va . x c Rocket and r st the co peting loco oti , p 3 The othe conte — — a ts . a D s r Rocket . x Imr v m s c n , p ng e c iption of the , p 33 p o e ent s r R e — m v ock t . x I r m s l com , p 4 p o the con t uction of the — 3 o e ent in vas r ars . i m v u m . 1 , p 3s T p , p ti in ecent ye he co o nd l—oco oti e 37 va a s om m ves . x 8 Westin houl Ad nt ge of c pound loco oti , p 3 The g — “ " — air rak . s ra rak i air . x a mat b , p 4 T g b , p 4 T uto e x x —he t i ht e 3 he - — air rak . x s air brak mti e . x c Auto a b e, p 44 The high peed , p 4 [ iV l CONTENTS — — s . x4 r a n . x A coupling , —p 7 P inciple of the Jnney coupli g, p 4 9 maris and . r o. co p on the old the new, p s CHAPTER V P RO“ CART TO AUTO MOBIL E z— When were carts first used ? p . rs The development of the — — . r ma r r u . r b , p 4 T p , p s T icycle 5 he neu tic —ti e int od ced s he comin ol the automobile . r o The as en ine of Dr. g , p s g g Otto, — ' b — mb . 1 C u not s automo ile . 1 8 au am p 5 7 g — , p 5 The to o ile of Willi ur x 8 . 1 8 s t a r u , 7 5 , p pp E g M doch 5 —O o i ion in n l nd to the int od ction of au m s . i An x tra r ar s a to obile , p so e o din y piece of legi l tion, — — . rot Scientific as s a m ra . 1 6 S m p pect of uto obile cing, p 4 o e z — v s s of var us v d a m . oo C mara s an a s o o , p p p l , x x — o ti e eed —io ehicle ni . A or a . 1 6 S eed ol birds in fii ht 1 68 miraculous transi m p 7 g , p p — tion oi ener . x c Electrical timin device for measuri gy , p 7 g ag CHAPTER VI 7 3 3 DEVELOPMENT 03 ELECTRIC RAILWAYS — k rs c av a s r ra a . r a w Y r w , p 7 5 C b Ne o the—fi t ity to h e t eet il y — le - E s s s . i 8 el s s ms . x ar s s s a m tr y te , p 7 7 ly elf u t ined y te , p 7 The ec o m s ar er r — efi rts ma v of s . m . o of g G F , p yq T netic loco oti e Mo e he — r ess r a ro u a s ra a r car . x Bo P of o P ge to p d ce to ge b tte y , p The r m S m and k i r m rs .