The young gentleman and lady's philosophy : in a continued survey of the works of nature and art by way of dialogue . H^ %r^ M. This Book, part of the Library of the late Sir Isaac Heard, Principal King of Arms, is the joint Property of GeorgeFrederick Beltz Lancaster, and James Pulman Portcullis, pur-chased under an Agreement signed in Duplicate, this day of

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Keywords: ., bookcentury1700, bookdecade1750, booksubjectscience, bookyear1759