US$ 48.00
it went to the Lords where
Rudland as featured in the title page to The journey to Snowdon
Lord Mayor 1824
with the tree of True Liberty
With a facsimile signature lower right
Francis Hauksbee's air pump Finish:Float frame it went to the LordsPlate illustrates pp. 17 18, 'The Description of the Machine for giving a swift Motion to Bodies in Vacuo, without admitting the External Air', and shows Hauksbee's air pump connected to a wheel mechanism which imparts a rapid rotation speed to a spindle within the glass dome of the air pump. Plate II from Physico mechanical experiments on various subjects, by Francis Hauksbee (London, 1709), presented to the Royal Society by the author on 26 October