James Watt's Laboratory Experiment Book

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Date:1765 - 1814 (c.)

Description:James Watt's laboratory experiment book in it's entirety, page by page. It records, in Watt's own words and handwriting, his calculations, results and observations. It includes the description of his famous tea kettle experiment on latent heat.

The James Watt Papers are part of the Archives of Soho, held at Birmingham City Archives [Ref. MS3219]