American Level Patents
eBook - ePub

American Level Patents

Illustrated and Explained

  1. 256 pages
  2. English
  3. ePUB (mobile friendly)
  4. Available on iOS & Android
eBook - ePub

American Level Patents

Illustrated and Explained

About this book

In this companion to American Levels and Their Makers, Vol. I, the author presents that great rarity a book on patents that both illustrates the patents (in a size large enough to be useful) and explains them. Two hundred and ten level patents are pictured and explained here, with explanations keyed to the patent drawings. They illustrate the major and continuing contributions by L.L. Davis, Justus Traut, the Stratton Bros., and L.S. Starrett, among others. To aid in identification, each patent is triply indexed: by date, patentee, and category (e.g., inclinometer, sighting level, adjustment mechanism, etc.). In addition, the book provides a brief history of the men who obtained the patents, information on whether, when, and how the patents were used, the progression of improvements in patent concepts over time, and information that may be useful in identifying mystery levels. This volume, relating patents to real tools, will prove an invaluable reference for tool collectors and dealers, as well as for students of industrial technology.

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Table of contents

  1. ACKNOWLEDGMENTS
  2. FOREWORD
  3. INTRODUCTION
  4. FLUID-LEVEL
  5. IMPROVED REFLECTING SPIRIT-LEVEL AND SQUARE
  6. SPIRIT-LEVEL
  7. CARPENTER’S RULE
  8. SPIRIT-LEVEL
  9. IMPROVEMENT IN COMBINED SPIRIT-LEVELS
  10. IMPROVEMENT IN PLANE ANGULOMETERS
  11. IMPROVEMENT IN COMBINED PLUMB AND LEVELS
  12. IMPROVEMENT IN SPIRIT LEVELS
  13. IMPROVEMENT IN INCLINOMETERS
  14. IMPROVEMENT IN LEVELS
  15. IMPROVEMENT IN COMBINED LEVEL AND PLUMB
  16. IMPROVEMENT IN PLUMB LEVELS
  17. IMPROVEMENT IN ADJUSTING SPIRIT LEVELS
  18. IMPROVEMENT IN ADJUSTABLE SPIRIT LEVELS
  19. IMPROVEMENT IN ADJUSTABLE SPIRIT LEVELS
  20. IMPROVEMENT IN PLUMBS AND LEVELS
  21. IMPROVEMENT IN ADJUSTABLE SPIRIT LEVELS
  22. IMPROVEMENT IN SPIRIT LEVELS
  23. IMPROVEMENT IN ADJUSTABLE SPIRIT LEVELS
  24. IMPROVEMENT IN SPIRIT LEVELS
  25. IMPROVEMENT IN SPIRIT-LEVELS
  26. IMPROVEMENT IN LEVELS
  27. IMPROVEMENT IN LEVELS
  28. DESIGN FOR A SPIRIT LEVEL
  29. IMPROVEMENT IN SPIRIT LEVELS
  30. IMPROVEMENT IN SPIRIT LEVEL
  31. IMPROVEMENT IN SPIRIT LEVELS
  32. IMPROVEMENT IN COMBINED SQUARE, PROTRACTOR, LEVEL, & c.
  33. IMPROVEMENT IN SPIRIT LEVELS
  34. IMPROVEMENT IN ADJUSTABLE SPIRIT LEVELS AND PLUMBS
  35. IMPROVEMENT IN SPIRIT LEVELS
  36. IMPROVEMENT IN ADJUSTABLE SPIRIT LEVELS
  37. IMPROVEMENT IN PLUMBS AND LEVELS
  38. IMPROVEMENT IN SPIRIT LEVELS
  39. IMPROVEMENT IN SPIRIT LEVELS
  40. IMPROVEMENT IN RAILWAY-TRACK GAGES
  41. IMPROVEMENT IN SPIRIT-LEVELS
  42. IMPROVEMENT IN SPIRIT-LEVELS
  43. DESIGN FOR SPIRIT-LEVELS
  44. DESIGN FOR SPIRIT-LEVELS
  45. DESIGN FOR SPIRIT-LEVELS
  46. DESIGN FOR SPIRIT-LEVELS
  47. IMPROVEMENT IN LEVELS
  48. TRY-SQUARE
  49. IMPROVEMENT IN SURVEYING INSTRUMENTS
  50. IMPROVEMENT IN PENDULUM LEVELS
  51. LEVELING-INSTRUMENT
  52. SPIRIT-LEVEL
  53. ARTIFICER’S LEVEL
  54. COMBINED INSTRUMENT FOR LEVELING, SURVEYING, %C.
  55. ARTIFICER’S LEVELING INSTRUMENT
  56. BEVELING INSTRUMENT
  57. SPIRIT-LEVEL
  58. LEVEL
  59. SPIRIT-LEVEL AND PLUMB
  60. COMBINED BEVEL AND T-SQUARE
  61. PENDULUM-LEVEL, PLUMB AND INCLINOMETER
  62. SPIRIT-LEVEL
  63. COMBINED LEVEL AND BORING-GUIDE
  64. COMBINATION-TOOL
  65. INCLINOMETER
  66. SPIRIT-LEVEL
  67. COMBINED SQUARE, BEVEL, AND LEVEL
  68. COMBINED LEVEL SQUARE AND BEVEL
  69. LEVEL
  70. COMBINATION SQUARE AND GAGE
  71. COMBINED RULE, CALIPERS, AND LEVEL
  72. SPIRIT-LEVEL
  73. COMBINATION SQUARE, LEVEL, AND BEVEL
  74. TRY AND BEVEL SQUARE
  75. LEVEL ATTACHMENT FOR BORING TOOLS
  76. SPIRIT-LEVEL
  77. INSTRUMENT FOR PLUMBING THE CORNERS OF BUILDINGS
  78. PLUMB-LEVEL
  79. SURVEYOR’S TRANSIT
  80. BEVEL
  81. SPIRIT-LEVEL
  82. SPIRIT LEVEL STOCK
  83. PLUMB LEVEL FOR BORING BITS
  84. SPIRIT-LEVEL
  85. LEVELING-INSTRUMENT
  86. SPIRIT-LEVEL
  87. SPIRIT-LEVEL
  88. ATTACHMENT FOR CARPENTERS’ RULES
  89. SPIRIT-LEVEL
  90. SIGHTING ATTACHMENT FOR LEVELS
  91. SIGHTING ATTACHMENT FOR SPIRIT LEVELS
  92. DEVICE FOR MEASURING THE HEIGHT OF HORSES
  93. SPIRIT-LEVEL FOR BIT-BRACES
  94. SPIRIT LEVEL
  95. INCLINOMETER
  96. SPIRIT LEVEL
  97. SPIRIT-LEVEL
  98. SPIRIT LEVEL
  99. SPIRIT-LEVEL
  100. SPIRIT-LEVEL
  101. SPIRIT LEVEL
  102. SQUARE FOR LEVELING AND ALIGNING SHAFTING
  103. SPIRIT-LEVEL
  104. PLUMB-LEVEL
  105. LEVEL HANGER FOR SHAFTING
  106. SPIRIT LEVEL
  107. LEVEL
  108. LEVEL
  109. LEVEL
  110. SPIRIT LEVEL
  111. BEVEL-SQUARE
  112. PLUMB-LEVEL
  113. DESIGN FOR A LEVEL FRAME OR BLOCK
  114. DESIGN FOR A PLUMB AND LEVEL FRAME
  115. MACHINE FOR GRADUATING GLASSES OR TUBES
  116. METHOD OF MARKING LEVEL GLASSES OR ANALOGOUS ARTICLES
  117. APPARATUS FOR ADJUSTING SPIRIT LEVELS
  118. LEVEL
  119. LEVEL
  120. SPIRIT LEVEL AND PLUMB
  121. SPIRIT-INCLINOMETER
  122. INCLINOMETER
  123. SPIRIT-LEVEL
  124. COMBINED PLUMB AND LEVEL
  125. ENGINEER’S OR SURVEYOR’S INSTRUMENT
  126. LEVEL
  127. LEVEL
  128. COMBINED LEVEL, SQUARE, AND PLUMB
  129. DESIGN FOR A COMBINATION SQUARE
  130. LEVEL
  131. CLINOMETER
  132. SPIRIT-LEVEL AND PLUMB
  133. LEVELING, PLUMBING, AND ANGLE-MEASURING INSTRUMENT
  134. LEVEL-GLASS
  135. COMBINATION-TOOL FOR SQUARING PURPOSES
  136. GRADOMETER
  137. SPINDLE-PLUMB
  138. PLUMB
  139. SPIRIT LEVEL
  140. MEASURING INSTRUMENT
  141. LEVELING INSTRUMENT
  142. LEVEL
  143. A DEVICE FOR PLUMBING SPINNING-SPINDLES
  144. LEVEL
  145. COMBINED LEVEL AND INCLINOMETER
  146. RULE
  147. LEVEL
  148. ARTIST’S LEVEL
  149. LEVELING INSTRUMENT
  150. COMBINED SQUARE AND BEVEL PROTRACTOR
  151. INSTRUMENT FOR SQUARING STONE &c.
  152. ILLUMINATED SPIRIT-LEVEL
  153. LEVEL
  154. LEVEL
  155. TRY-SQUARE
  156. LEVEL
  157. LEVEL
  158. PLUMB LEVEL
  159. TAILOR’S INDICATOR
  160. LEVEL
  161. PROTRACTOR AND LEVEL
  162. SPIRIT LEVEL
  163. SPIRIT LEVEL
  164. CENTERING DEVICE
  165. GRADE-LEVEL
  166. LEVEL
  167. COMBINED SQUARE AND BEVEL PROTRACTOR
  168. LEVEL
  169. PLUMB-LINE
  170. GRAVITY-LEVEL
  171. COMBINATION TOOL
  172. SPIRIT-LEVEL
  173. LEVEL
  174. SPIRIT-LEVEL
  175. COMBINATION CENTERHEAD, LEVEL, AND BEVEL-PROTRACTOR
  176. HAND LEVEL CONSTRUCTION
  177. TIMBER MEASURING DEVICE
  178. COMBINATION TOOL
  179. LEVELING STAND AND BASE
  180. LEVEL
  181. LEVEL
  182. ANGLE-GUIDE FOR TOOLS
  183. SIGHTING ATTACHMENT FOR LEVELS
  184. COMBINED GAGE AND LEVEL
  185. LEVEL
  186. SPIRIT-LEVEL
  187. SPIRIT LEVEL
  188. LEVEL
  189. LEVEL
  190. COMBINATION SQUARE, LEVEL, AND PROTRACTOR
  191. INCLINOMETER AND ACCELEROMETER
  192. STOCK FOR SPIRIT LEVELS
  193. SPIRIT LEVEL AND GLASS
  194. SPIRIT LEVEL AND PLUMB
  195. LEVEL-STOCK
  196. SPIRIT LEVEL
  197. LEVEL ATTACHMENT
  198. LEVEL ATTACHMENT
  199. SPIRIT LEVEL
  200. LEVEL STOCK
  201. SPIRIT LEVEL
  202. PROTRACTOR LEVEL
  203. SPIRIT-LEVEL GLASS
  204. GRAVITY LEVEL
  205. LEVEL ATTACHMENT
  206. STOCK FOR SPIRIT LEVELS
  207. LEVEL
  208. LEVEL
  209. LEVEL VIAL HOLDER
  210. LINE LEVEL
  211. SPIRIT LEVEL
  212. SPIRIT LEVEL
  213. LEVEL AND PLUMB INDICATOR
  214. ALPHABETICAL INDEX BY PATENTEE
  215. CHRONOLOGICAL INDEX
  216. Index by Category

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