Chemistry and alchemy in the natural philosophy of Sir Francis Bacon, 1561-1626 / by Joshua C. Gregory.

A short history of atomism : from Democritus to Bohr / by Joshua C. Gregory.

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Gregory, Joshua C. (Joshua Craven), 1875-

Works from the collections

Chemistry and alchemy in the natural philosophy of Sir Francis Bacon, 1561-1626 / by Joshua C. Gregory.

A short history of atomism : from Democritus to Bohr / by Joshua C. Gregory.