[Theatre] Diderot, D. D'Alembert, J. Machines de Théatre,

Contenant Quarante-neuf Planches à Cause de Quatorze Doubles & de Quatre Triples (...). (Paris, ca. 1770). 8 p. of text and 48 (of 49) (mostly fold.) engr. plates by Bernard after Radel. Cream wr. Folio.

Lacking title-p., marginal (repaired) wormholes, 1 plate repaired on right side w. sl. loss of image. The plates depict in scientific detail the wide variety of theatrical machinery in use at the Paris Opera, and they constitute one of the most important sources of information on the machinery of the late 18th cent. operatic stage.