Hints on silvered-glass reflecting telescopes: Fitted with Mr. G. Calver's mirrors-W. H Thornthwaite

  • Title: Hints on silvered-glass reflecting telescopes: Fitted with Mr. G. Calver's mirrors
  • Author: W. H Thornthwaite
  • Released: 1875-10-01
  • Language:
  • Pages: 36
  • ISBN:
  • ISBN13:
  • ASIN: B0008651U0

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