138 results
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2. The Discovery of the Law of Conservation of Energy
3. Calculating Horse Powers of Engines
4. The Wheels of all Vehicles, Dynamical Levers
5. Does Resistance Increase as the Square or Cube of the Velocity?
6. Copying Copperplate Engravings on Stone
7. Contents of Cylinder in Gallons
8. Do We Measure Horse-power Correctly?
9. Kerosene Lamps---A Good Suggestion
10. IMPROVEMENT IN PHOTOGRAPHY
11. THE ENGINES OF THE "DICTATOR."
12. Heavy Locomotives
13. Petroleum Oil Test
14. NEUHAUS' TAILOR'S REST AND SEAT
15. Oriental Newspapers
16. CIRCULAR FLOATING BATTERIES AND ARMORED WAR VESSELS
17. HOW NEWSPAPERS ARE MADE
18. The Water Power of Maine
19. HANCOCK'S SCREW PROPELLER
20. TESTING THE POWER OF STEAM ENGINES
21. THE NATURAL AND THE ARTIFICIAL
22. BAILEY'S TESTING APPARATUS
23. New Inventions
24. AMERICAN GOODS IN BRAZIL
25. Some Benefits of the Hard Times
26. Autumn Suggestions
27. MECHANICAL EXHIBITION AT BOSTON
28. Ways to Success
29. IMPROVED BRICK PRESSING MACHINE
30. NOVEL ENGINE AND BOILER
31. Modern Cast Iron
32. Printing without a Press
33. ANSWERS CORRESPONDENTS
34. VALUABLE RECEIPTS
35. THE FACTORY OF THE AMERICAN WATCH COMPANY
36. MISCELLANEOUS SUMMARY
37. Manufacturing Items
38. A Novel Military Equipment
39. Counterfeit Postal Currency
40. "Near Enough"
41. NEW AGRICULTURAL INVENTIONS
42. THE ELECTRIC PEN
43. A NEW SOUNDER
44. The Fur on the Tongue
45. The Steamship Scotia
46. JONES' BURNER FOR COAL-OIL LAMPS
47. THE RIGHTS OF JOINT PATENTEES
48. RECENT AMERICAN INVENTIONS
49. THE "GREAT EASTERN" OPEN TO THE PUBLIC
50. Remarkable feat of an Engine Man
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