Scientific American Export Edition.

The SCIENTIFIC AMERICAN Export Edition is a large and splendid periodical, issued once a month. Each number contains about one hundred large quarto pages, profusely illustrated, embracing: (1.) Most of the plates and pages of the four preceding weekly issues of the SCIENTIFIC AMERICAN, with its splendid engravings and valuable information; (2.) Commercial, trade, and manufacturing announcements of leading houses. Terms for Export Edition, $5.00 a year, sent prepaid to any part of the world. Single copies, 50 cents.

Manufacturers and others who desire to secure foreign trade may have large and handsomely displayed announcements published in this edition at a very moderate cost.

The SCIENTIFIC AMERICAN Export Edition has a large guaranteed circulation in all commercial places throughout the world. Address MUNN & CO., 361 Broadway, corner of Franklin Street, New York.

NEW YORK, SATURDAY, FEBRUARY 26, 1887.

Contents.

(Illustrated articles are marked with an asterisk.)
[Architecture, naval, during last half century][127]
[Armament, British, at Victoria*][131]
[Army, peace, of the United States][129]
[Aurora borealis*][135]
[Beam caloric engine*][127]
[Bench and ironing board, combined*][131]
[Birds, incendiary][133]
[Birds, phosphorescent][133]
[Birds, winter, our*][133]
[Blind stop, improved*][131]
[Books and publications, new][138]
[Boots or shoes, crimping, device for*][131]
[Brush and comb cleaner*][132]
[Business and personal][138]
[Charcoal as fossil][133]
[Chevreul's black*][137]
[Cocaine habit, the][128]
[Correspondence][133]
[Craze, Yankee, the latest][136]
[Defense of New York within thirty days' time][132]
[Dredger, marine, improved*][134]
[Earthquake, Charleston][133]
[Electroplating with platinum][132]
[Emery wheels for gumming saws*][130]
[Engine, caloric, improved*][127]
[Eruption in the Tonga group][133]
[Exhibition, American, London][137]
[Fish, meat, etc., canned][133]
[Guns, steel, are they superior?][128]
[Hats, ladies', protector for*][132]
[Hydraulic dredging at Washington][134]
[Injector, Penberthy*][132]
[Inventions, agricultural][138]
[Inventions, engineering][138]
[Inventions, index of][139]
[Inventions, miscellaneous][138]
[Life insurance company, a solid][129]
[Locomotive, three-cylinder][127]
[Measuring rack, wood, adjustable*][131]
[Medicine, preventive][129]
[Nervous patient, treatment, length of][136]
[Northern lights, the*][135]
[Notes and queries][138]
[Patent law, amendment of the, new][128]
[Patent, steel wire brush][136]
[Petroleum in Egypt][137]
[Plasterer's hawk*][131]
[Pyrofuxin—a new tanning substance from coal][128]
[Saw gummer, emery vulcanite*][130]
[Shark, frilled, the*][130]
[Snails, strength of][137]
[Sodium, producing, new method of, Castner's][129]
[Steel rail capacity of the United States][132]
[Stump puller, improved*][132]
[Sugar process, new][134]
[Sun, duration of][134]
[TThermoscopic balance*][134]
[Torpedo boat armed with pneumatic dynamite guns*][137]
[Torpedo, effect of, on an ironclad*][136]
[Torpedo experiments at Portsmouth*][136]