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2. Inventions New and Interesting
3. THE REINVENTION OF PAPER
4. APPLICATIONS FOR THE EXTENSION OF PATENTS
5. Answers to Correspondents
6. AERIAL NAVIGATION
7. THE ATTEMPT TO BURN THE CITY
8. THE "SCIENTIFIC AMERICAN" FOR THE ENSUING YEAR
9. WHAT CAN BE DONE FOR INVENTORS.—ADVICE GRATIS AND ADVICE FOR PAY
10. IMPROVEMENT IN PHOTOGRAPHY
11. RECENT AMERICAN PATENTS
12. PATENT-OFFICE DECISIONS
13. EFFECT OF SANITARY REGULATIONS
14. MANUFACTURING, MINING, AND RAILROAD ITEMS
15. Seeing the Crescent of Venus
16. MUSCULAR CONTRACTION AND ELECTRICITY
17. NOTES OF PATENT OFFICE DECISIONS
18. BOILER TEST CHALLENGE
19. THE LONDON PATENT OFFICE AND MUSEUM
20. NEW AGRICULTURAL INVENTIONS
21. A WORD TO OUR FRIENDS
22. OBJECTS OF INTEREST IN THE CENTRAL PARK
23. LIBERAL PRIZES OFFERED FOR LAMP IMPROVEMENTS
24. JONES' BURNER FOR COAL-OIL LAMPS
25. THE RIGHTS OF JOINT PATENTEES
26. RECENT AMERICAN INVENTIONS
27. THE "GREAT EASTERN" OPEN TO THE PUBLIC
28. LATE FOREIGN INVENTIONS
29. AGRICULTURAL INVENTIONS CALLED FOR
30. Remarkable Discovery in Russia
31. American Association for the Advancement of Science
32. Potato Rot
33. New Sculling Propoller
34. Flimsy Buildings
35. Competitors for the Prizes
36. A Happy New Year
37. The Year that is Gone
38. Material for Paper
39. Exportation of Manufactures
40. Ærial Navigation
41. Tis said that Wine will cheer the Heart
42. Electro-Plating
43. New Patents
44. Interesting Experiments
45. Speak Gently
46. Curious Arts
47. Late News from Europe
48. BY PHAZMA
49. Rational Religion
50. The art of Painting
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