Bulletin 136: Table of contents

 

1
Charles Miller: Editorial [FREE TO DOWNLOAD]

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2
Jane Desborough: A Rare Sundial Layout Plate from France

6
Anthony Turner: Counter-hatched Scales on 16th Century Mathematical Instruments [FREE TO DOWNLOAD]

10
Michel Morizet: GONICHON & PARIS: Three Generations of Opticians in Paris from 1730 to 1830

14
Patrick Rocca & Françoise Launay: Michel Butterfield (London, c. 1643 – Paris, 1724), the Parisian Apprentice of Jean Choizy

20
Mystery Object: Answer and Object 10

22
Otto E. van Poelje & Michel Morizet: Two ‘Cadrans Logarithmiques by Le Blond and Gattey For Old-to-Metric Unit Conversions in France (1799)

27
Willem F.J. Mörzer Bruyns: Did Joseph Jackson and John Morgan make Sextants before John Bird?

32
D.J. Warner: The Hybridity of the Hydrostatic Balance [FREE TO DOWNLOAD]

38
Current and Future Events

40
Mike Cowham: French Ivory Dials