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VOL. XXXIX., No. 6. [New Series.] Thirty-third Year.
NEW YORK, SATURDAY, AUGUST 10, 1878.

Contents.

(Illustrated articles are marked with an asterisk.)

[ American goods, excellence of ]89
[Astronomical notes* ]90
[Astronomical observation* ]91
[Brass, recipe for cleaning [4] ]91
[Cancer, treatment of ]85
[Chloride of lime, to neutralize [6] ]91
[Coal, distillation of* ]85
[Discoveries, Prof. Marsh's recent ]90
[Drawings, how to mount [19] ]91
[Drawings, printing copies of [9] ]91
[Edison telephone and Hughes' microphone ]80
[Education, industrial ]90
[Eel, natural history of the ]79
[Electro-magnet, to construct [12] ]91
[England, wages in ]85
[Engraving, photographic ]82
[Exhibition, American Institute ]84
[Export edition, Scientific Amer. ]80
[Fire, chemicals to extinguish [22] ]91
[Flour, explosiveness of ]87
[Gas, saw tempering by natural ]87
[Germany, labor in ]89
[Gold, how to melt [18] ]91
[Hair, removing superfluous [1] ]91
[Hughes, letter from Prof. ]80
[Industrial enterprises, new ]84
[Ink to rule faint lines [7] ]91
[Inventions, new ]86
[Inventions, new agricultural ]86
[Inventions, new engineering ]87
[Inventions, new mechanical ]89
[Iron making, progress of ]80
[Journalism, crooked ]88
[Lathes, attachment for* ]86
[Lemon verbena, new use for ]89
[Life, minute forms of ]85
[Lime light, how to make [14] ]91
[Main joints, street ]88
[Mormons, hint from the ]86
[N. Y. Capitol, machinery for ]87
[Paris Ex., Japanese Building* ]87
[ Paris Exhibition, the park*]79
[Patent law, our ]84
[Pens, fountain ]80
[Petroleum June review ]90
[Petroleum oils as lubricators ]89
[Petroleum, short history of ]85
[Plants, etc., influence of light on ]89
[Poisoning of a lake, remarkable ]90
[Production, ill-balanced ]89
[Production, more perfect ]88
[Puddling, mechanical* ]82
[Quick work ]86
[Rainfall, decrease of N. Y. ]86
[Rhinoceros Hornbill, the* ]87
[Shad hatching, successful ]88
[Shellac, to dissolve bleached [2] ]91
[Shoes, dressing for ladies' [21] ]91
[Silk worm breeding ]79
[Substances, how to rate [3] ]91
[Sun, the* ]80, 81
[Teeth, replanting, etc. ]84
[Telephone, science promoter ]80
[Thermometer, new deep sea* ]83
[Timber, ribs on surface of [17] ]91
[Valve, new steam* ]86
[Velocipede feat, extraordinary* ]89
[Wires, copper finish to [24] ]91
[Wood, to make sound boards [11] ]91
[Wool product of the world ]88
[$150,000,000 a year, trying to save ]90

TABLE OF CONTENTS OF

THE SCIENTIFIC AMERICAN SUPPLEMENT