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SCIENTIFIC AMERICAN

SCIENTIFIC AMERICAN

A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE,MECHANICS, CHEMISTRY, AND MANUFACTURES.

NEW YORK, DECEMBER 14, 1878.

Vol. XXXIX.—No. 24. [NEW SERIES.]

$3.20 per Annum [POSTAGE PREPAID.]


Contents:

(Illustrated articles are marked with anasterisk.)

36Alum in baking powders376
36Alum in bread376
30Argonaut, or Paper Nautilus*375
38Astronomical notes377
NQ-05Babbitt metal, to make [5]378
NQ-06Belts, rubber, slipping [6]378
22Bench, saw, Casson's*374
NQ-08Boot polish liquid [8]378
NQ-16Butter, to color [16]378
1Canal, ship, Belgian*367
17Economy, machine shop371
33Eggs, preservation of375
21Electric light, Werdermann*373
3Engineers, warning to367
NQ-48Engine, steam, valve yoke [48]379
NQ-57Exterminator, roach [57]379
NQ-19...

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