An Extract of a Letter from the Reverend and Learned Dr. John Wallis, to the Publisher Dr. Robert Plot; Concerning Two Very Large Stone ChimneyPieces: With a Peculiar Sort of Arch-Work Thereon J. Wallis
A Letter from Dr. John Wallis, to One of the Secretaries of the Royal Society (Dr. Robert Plot, the Publisher of these Transactions) concerning an Antient Mantle-Tree in Northampton-Shire; on which the Date of It (for the Year of our Lord 1133) is Expressed by the Numeral Figures, which Shews the Great Antiquity of Those Figures Here in England J. Wallis
A Letter of Dr. John Wallis to Robert Boyle Esq, Concerning the Said Doctor's Essay of Teaching a Person Dumb and Deaf to Speak, and to Understand a Language; together with the Success Thereof: Which Letter though Written Many Years Since, Was but Lately Obtain'd to be Inserted Here, It Being Esteemed Very Well Worth to be Preserv'd and Communicated for Publick Use J. Wallis