| Description | Monthly summaries of temperature observations made at Henley House, Hudson's Bay Company, Canada. Containing highest, lowest and mean temperatures for morning and afternoon periods, and overall highest, lowest and mean values during each month.
Headed [p.1]: 'Abstracts from meteorological register kept in Hudson's Bay', with the additional notes 'At Henley' [with latitude and longitude] and 'by John MacNab Esqr'. Stamped [p.6] 'Soc. Reg. Lond. ex dono Auctoris', with a manuscript addition, 'Feb. 5. 1789'. |