Appendix 1 Description of Mr. Gascoigne’s Micrometer

  • David Sellers
Part of the Astrophysics and Space Science Library book series (ASSL, volume 390)


In [Fig. 3.3], the fig. 1, 2, and 3, represent the several parts of this instrument; fig. 4, part of the telescope with the instrument applied to it, and 5 the rest on which the whole is supported. Fig. 1 represents the brass box with the whole instrument, except only the moveable cover, and the screws by which it is fixed to the telescope.

Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • David Sellers
    • 1
  1. 1.LeedsUK

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