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Scientific American Supplement, No. 492, June 6, 1885电子书

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作       者:Various

出版时间:2018-02-27

字       数:17.7万

所属分类: 教育 > 外语 > 实用英语

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The Spanish Government is now engaged in supplying some of its principal fortifications with heavy guns of the most improved construction. The defenses of Cadiz and Ceuta have been greatly strengthened in this respect. The most recent additions are some very powerful Krupp guns for the fortress of Isabel II., at Mahon.
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NEW SPANISH ARTILLERY.

QUALITATIVE TESTS FOR STEEL RAILS.

A NEW FORM OF SMALL BESSEMER PLANT.

TRIPLE COMPOUND ENGINES.

EARLY HISTORY OF THE STEAM JACK.

BRIDGE AT VERONA.

PUMPING MACHINERY.

IMPROVED GUN PRESSURE GAUGE.

IMPROVED PLAITING MACHINE.

SELF-ACTING SHUTTLE GUARD.

RULER AND TRIANGLE FOR HATCHING.

THE DISTILLATION OF SEA WATER.

AIDS TO CORRECT EXPOSURE ON PHOTOGRAPHIC PLATES.

ISOCHROMATIC PHOTOGRAPHY.

DISTORTION FROM EXPANSION OF THE PAPER IN PHOTOGRAPHY.

MEASURING THE THICKNESS OF BOILER PLATES.

GROUPS OF STATUARY FOR THE PEDIMENT OF THE HOUSE OF PARLIAMENT IN VIENNA.

ON THE FRITTS SELENIUM CELLS AND BATTERIES.

ELECTRICITY APPLIED TO THE MANUFACTURE OF VARNISH.

NAGLO BROTHERS' TELEPHONE SYSTEM.

THE GERARD ELECTRIC LAMP.

A NEW REFLECTING GALVANOMETER.

HISTOLOGICAL METHODS.

LIFE HISTORY OF A NEW SEPTIC ORGANISM.

WINTER AND THE INSECTS.

SILK WORM EGGS.

DETERMINING THE MEAN DENSITY OF THE EARTH.

PHYSICS WITHOUT APPARATUS.

THE CASINO AT MONTE CARLO.

ON AN EXPRESS ENGINE.

ERYTHROXYLON.

THE MELLOCO.

THE SCIENTIFIC AMERICAN SUPPLEMENT.

PATENTS.

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