GB190414191A - A New or Improved Implement or Instrument for use in Levelling, Plumbing, or for Indicating any desired Angle or Gradient.
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A New or Improved Implement or Instrument for use in Levelling, Plumbing, or for Indicating any desired Angle or Gradient.
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Herbert Shorney
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Individual
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Individual
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Length-Measuring Instruments Using Mechanical Means
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Finishing Walls
(AREA)
Abstract
14,191. Shorney, H. June 23. Levels and plumbing-instruments; clinometers.-In an instrument for levelling, plumbing, or indicating angles or gradients, the angle or gradient is indicated on a dial B by an indicator A, carrying a spirit level A<1> and clamped in any desired position by a thumb-nut C. The indicator has a slot at the top, of the same width as the lines of graduation.
GB190414191D1904-06-231904-06-23A New or Improved Implement or Instrument for use in Levelling, Plumbing, or for Indicating any desired Angle or Gradient.
ExpiredGB190414191A
(en)