Record

RefNoMS/81/8
Previous numbersMS 81.5
LevelItem
TitleLetter, from [James] Gregorie to [John Collins], dated at St Andrews
Date20 April 1670
DescriptionEclipse of last March was not seen in Scotland because of a storm. Discusses how [Robert] Anderson misunderstood some of Gregorie's prior work in Stereometrical Propositions and develops the correct demonstration. Notes that despite [Isaac] Barrow being "a most excellent and learned geometer" he has made some errors in his demonstration published in Dioptrick, corrects the errors.
Last paragraph underlined in red.

Endorsed 'No. 15: p 95' in reference to 'Commercium Epistolicum' 1722 edition, page 95, paragraph XV
Headed 'About Andersons Booke. Some Errors in Dr Barrows Dioptricks' in John Collins' hand.
LanguageEnglish
Extent2pp.
FormatManuscript
PhysicalDescriptionInk on paper
AccessStatusOpen
Fellows associated with this archive
CodePersonNameDates
NA2898Collins; John (1625 - 1683); mathematician and scientific administrator1625 - 1683
NA8395Gregorie; James (1638 - 1675); mathematician1638 - 1675
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