Essays of the strange subtilty, determinate nature, great efficacy of effluviums : to which are annext new experiments to make fire and flame ponderable : together with A discovery of the perviousness of glass
London: Printed by W.G. for M. Pitt, at the Angel near the little North Door of St. Paul's Church
"Of the strange subtilty of effluviums." and "A discovery of the perviousness of glass ..." have separate, dated title pages; paginations and registers are continuous.
"Of the great efficacy of effluviums." and "Of the determinate nature of effluviums." (division title pages) have separate paginations and registers.
"New experiments to make the parts of fire and flame stable & ponderable." has separate, dated title page, with Godbid's and Pitt's names, in full, in imprint and separate pagination; register is continuous.