PUBLISHED WEEKLY AT NO. 37 PARK ROW (PARK BUILDING) NEW YORK. Contents :. (Illustrated articles are marked with an asterisk.) Improved Vertical Portable En Marker glue 63 Most Delicate Color Test for the War 63 Improved Gate Our Eyes and how to take care of Why Lace is costly them. 64 The Annual Consumption of Coal Testing Machine for Building Hints to Mechanics American Zinc Ores 66 The Present and the Past 73 Remarkable Gas Wells in Ohio. 66 Obituary—Henry Burden of Troy Remarkable Cure for Aneurism 66 N. Y 73 .Automatic Toy 66 ville Pa '73 -Improved Pliers 66 The 'Scientific American


PUBLISHED WEEKLY AT NO. 37 PARK ROW (PARK BUILDING) NEW YORK. Contents :. (Illustrated articles are marked with an asterisk.) Improved Vertical Portable En Marker glue 63 Most Delicate Color Test for the War 63 Improved Gate Our Eyes and how to take care of Why Lace is costly them. 64 The Annual Consumption of Coal Testing Machine for Building Hints to Mechanics American Zinc Ores 66 The Present and the Past 73 Remarkable Gas Wells in Ohio. 66 Obituary—Henry Burden of Troy Remarkable Cure for Aneurism 66 N. Y 73 .Automatic Toy 66 ville Pa '73 -Improved Pliers 66 The 'Scientific American' goes Camels in Washoe 66 everywhere 73 Something about Fresh Air—What ors. 73 Perpetual Motion 67 sons 73 Spurious Champagne 68 ents . . . 74 Ballooning 69 The Present and the Past 74 The Opinion of a Veteran Invent Patents 74 or 69 New Books and Publications. . 74 Improvement in Car Brakes 70 enta 74 How to make Coffee 70 List of Patents 75 Combined Section Boiler and NARROW AND WIDE GAGES. THE CONVEYANCE OP VARIOUS FLUIDS THROUGH PIPES. 20 21 1806 32 22-6 26 20-6 12 8 54-50 27-25 120 35-25 30 16 178 16-9 525 14'89 4315 40 13-66 14-H 1399 8-25 6-88 120 51-75 50 12 12-26 13-13 1-75 8'38 SECOND TABLE. 61-03 60 70 80-341 born Hill London are the Agents to receive European subscriptions. Or ders sent to them will be promptly attended to. for the German States. 'The New York News Co. ' 8 Spruce street New York. HINTS TO MECHANICS.; 70 70 70 70 71 71 FIRST TABLE. -213 -106, 1871-01-28


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