Scientific American 1875-04-03

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Advertising Art in Magazines 4200
General Magazines 12096
- Art and Design (and Antiques) 20
- Business and Finance Magazines 16
- Farm Magazines 264
- Fiction Magazines 44
- Health and Fitness Magazines 247
- Hobbies 96
- House and Garden Magazines 255
- Humor Magazines 1411
- Literary, Commentary, and Political Magazines 19
- Men's Magazines 116
- Monthly Magazines 725
- Movie, TV, and Radio Magazines 1145
- Music, Theater, Stage, Drama, and Dance Magazines 259
- News and Current Events Magazines 20
- Religion and Mysticism 11
- Romance and Confession Magazines 67
- Science and Technology Magazines 2990
  - Aviation Magazines 6
  - Citizen's Radio Call Book 36
  - Electrical Experimenter 87
  - Electrician and Mechanic 4
  - Everyday Mechanics 1
  - Everyday Mechanics - Everyday Engineering 53
  - Experimenter 16
  - Gernsback's Other Radio Titles 27
  - Illustrated World 17
  - Mechanics and Handicraft 16
  - Mechanix Illustrated 9
  - Modern Electrics, the first Gernsback popular technical magazine 76
  - Modern Mechanics or Modern Mechanix 44
  - Nature 103
  - Popular Aviation 58
  - Popular Electricity 56
  - Popular Mechanics magazine 103
  - Popular Radio 52
  - Popular Science Monthly 140
  - Practical Electrics, one of Gernsback's popular technology magazines 34
  - QST, the Ham Radio magazine from the A.R.R.L. 112
  - Radio 27
  - Radio Age 7
  - Radio Broadcast 19
  - Radio Mechanics 2
  - Radio News, a Gernsback popular radio magazine 270
  - Radio-Craft, a Gernsback technical magazine 137
  - Science and Invention, a Gernsback technical magazine 136
  - Science and Mechanics / Everyday Science and Mechanics 62
  - Scientific American 1099
  - Scientific American Supplement 7
  - Short Wave Craft 55
  - Short Wave and Television Magazines by Gernsback 28
  - Technical World 10
  - Variety Collection of Radio Magazines 24
  - Variety Collection of Technology and Science Magazines 3
  - Wireless Age 54
- Specialized Magazines 56
- Sports and Outdoor Magazines 316
- Trade Magazines and Trade Journals 258
- Travel and Regional Magazines 137
- Weekly Magazines 1358
- Women's Magazines 1767
- Youth, Children, and Kids' Magazines 499
Pulp Magazines 1772

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✔ S - small (304 x 432)
✔ M - medium (418 x 594)
✔ L - large (532 x 756)
✔ XL - extra large (646 x 918)
✔ Original (650 x 923)

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Saxby and Farmer's system of railway switches and signals. Engraving showing signal house, switches, and signals. Interlocking routing control of railroad trains.

Created on: Wednesday 24 December 2008
Posted on: Wednesday 24 December 2008
Albums: General Magazines / Science and Technology Magazines / Scientific American
Visits: 1576