Chemistry.- Boyle (Robert) Essays of the Strange Subtilty, Great Efficacy, Determinate Nature of Effluviums, first edition, first issue, small hole to margin of C2 just missing text, some marginal browning, especially to title and E4, modern panelled calf, [Wing B3951; Fulton 105; Duveen p.94], 8vo, Printed by W. G. for M. Pitt, 1673.

⁂ The scarce first issue with lines 4-5 of title reading "Great Efficacy/ Determinate Nature" and with first line of imprint ending "little". "He investigated the effect of heating metals in the presence of air and recorded that they invariably increased appreciably in weight...He deals at length with the properties of lode-stones and with electricity, but he did not use the latter term until two years later, when he wrote the first treatise on electricity in the English language..." (Fulton)