Scientific American Supplement, No. 483, April 4, 1885 eBook

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THEODOR BILLROTH, PROFESSOR OF SURGERY AT VIENNA.	1
HOW CHOLERA IS SPREAD.	2
SULPHUROUS ACID AND SULPHIDE OF CARBON.	4
THE DETERMINATION OF GRAPHITE IN MINERALS.	7
SULPHOCYANIDE OF POTASSIUM.	8
	10
SUGAR NITRO-GLYCERINE.	12
THE CIRCLE-DIVIDER.	13
SOLUBLE GLASS.	13
THE JET VENTILATOR.	16
ON REMELTING OF CAST IRON.	17
FEEDING BOILERS AT THE BOTTOM.	18
I. FORMULAS FOR PRINTING SOLUTIONS.	20
II. COMPOUND NEGATIVES.	21
PRACTICAL DIRECTIONS FOR MAKING LANTERN TRANSPARENCIES.	22
THE HONIGMANN FIRELESS ENGINE.	28
SIMPLE METHODS OF CALCULATING STRESSES IN GIRDERS.	34
A SPRING MOTOR.	38
CASTING CHILLED CAR WHEELS.	39
ELECTRICITY AND PRESTIDIGITATION.	39
PORTABLE ELECTRIC SAFETY LAMPS.	41
	44
THE TRUE CONSTANT OF GRAVITY.	46
ORIGIN OF THUNDERSTORMS.	47
IMPROVISED TOYS.	48
THE AEOLIAN HARP.	49
PHYSICS WITHOUT APPARATUS.	51
ELASTICITY OF BODIES.	52
SCIENTIFIC AMUSEMENTS.	52
HOW TO BREAK A CORD WITH THE HANDS.	53
AN AQUATIC VELOCIPEDE FOR DUCK HUNTING.	54
A SUNSHINE RECORDER.	55
SKELETON OF A BEAR FOUND IN A CAVE IN STYRIA, AUSTRIA.	56
THE HARDNESS OF METALS.	57
STEAM YACHTS.	57
THE SCIENTIFIC AMERICAN SUPPLEMENT.	58
PATENTS.	58

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Scientific American Supplement, No. 483, April 4, 1885 from Project Gutenberg. Public domain.