Van Nostrand's eclectic engineering magazine . sc:<:<c^« ;<? <.. „? <SD^<k:c< ..:? c^- ? ,, r <CvC ??- ?? ? ? ^^^^^ ?^ ,< ^<-< c ? cc e.:<; ?^?/^ -C ? ? ? ? ? ? ^S!^ « << xc ???;-?<< --;•?< *«::^c « ? .^; IT- < ^ cs:?^ -?<-, •-? v^ ^<x r~<? x:^ •»?: ? c ^p^v <c:.<ic ^,<J cc ^-, ? < 5^ <iC ^-*-: .: ^iC c<[; _. < « ;^ ; *^ ? ^ :.<i:v, c ^d(<;: C^ <<Z r ?-. c •< Si CC ^ ^rf— <5. <;x: .^?^ ;:^^T:;?i*-- ?^<^ m crcK LIBRARY U. S. PATENT OFFICE. JVo. Casel. .,.i „. Shelf. .


Van Nostrand's eclectic engineering magazine . sc:<:<c^« ;<? <.. „? <SD^<k:c< ..:? c^- ? ,, r <CvC ??- ?? ? ? ^^^^^ ?^ ,< ^<-< c ? cc e.:<; ?^?/^ -C ? ? ? ? ? ? ^S!^ « << xc ???;-?<< --;•?< *«::^c « ? .^; IT- < ^ cs:?^ -?<-, •-? v^ ^<x r~<? x:^ •»?: ? c ^p^v <c:.<ic ^,<J cc ^-, ? < 5^ <iC ^-*-: .: ^iC c<[; _. < « ;^ ; *^ ? ^ :.<i:v, c ^d(<;: C^ <<Z r ?-. c •< Si CC ^ ^rf— <5. <;x: .^?^ ;:^^T:;?i*-- ?^<^ m crcK LIBRARY U. S. PATENT OFFICE. JVo. Casel. .,.i „. Shelf. . rill I ma i «^^: ^:<^^<X.«tl^^ ,<:<:: ^<^<<: ^c: .^^^ - ^^ac^^^v: - ^ <^^^^: •^T < 4~^^ ^^ .^m^— ^ ?Q^C^*^ /^^ ?-3^^^^^^- 1 ??«< •^CI^C^ ? *^^ ^ ^C!^^ ,-*r~ JS ^^~5=-. J,.., ^^ ^«^^sc<<:c 1^ VAN NOSTRANDS ECLECTIC ENGINEEfflG MAGAZINE. V^OLTJME X. ^5r —jXJ3srE^ NEW YOBK:D. VAN NOSTRAND, PUBLISHER, 23 MuEEAY Street and 27 Wakeen Stbbbt (up staibs). 1874. \J^4 rfl s^ CONTENTS. V O Xj PageAcoustic telegraphy, applica-tion of - 266 Admiralty experiments on Screw propulsion 602 Alloy, metallic 479 American Society of Civil En-gineers 88, 185, 376, 473 Applied electricity 60 Aqua da Verru<;as 188 Arches, theory of . ..97, 193, 289, 385 ArchitecturalAssociation 279 Architecture, brick 247 Architecture in the eleventh century 338 Architecture of China 135 Art, effect of engineering upon 563Artificial fuel compared with coal . 320 Artillery experiments 208 Artillery, new field guns for .. 476 Asphalt pavements 530 Atmosphere as a vehicle of sound 548 Attraction of magnets 521 Bessemer process, chemistry of. 280 Blast furnace slag, utilization of 109 Boiler explosions 155 Boiler flues, formation of de-posits in 95, 192 Boiler shells, strength of 40 Boiler tubes, probable cause of the destruction of 71 Boiler wall, blue flag for 480 Boilers, choicevannostrandsecl101874newy


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