FAUJAS DE SAINT-FOND, Barthelemy. Recherches sur la Pouzzolane, sur la Théorie de la Chaux et sur la Cause de la Dureté du Mortier, Grenoble, chez J. Cuchet, Paris, chez Nyon, 1778 [but (?) earlier], 8°, FIRST EDITION (early ownership inscription on title), contemporary marbled wrappers (rubbed, lacks backstrip) -- YOUNG, Thomas. A Numerical Table of Elective Attractions with Remarks on the Sequence of Double Decompositions, London, W. Bulmer and Co., 1809, 4°, FIRST EDITION, 18pp. pamphlet including single leaf "A Memoria Technica for Double Elective Attractions" inset at end, modern cloth folder. (2)