Design: Camera Obscura, from Encyclopédie

Gem Engraving, from Encyclopédie

A. J. Defehrt

Design: Camera Obscura, from Encyclopédie

A. J. Defehrt

Etching, "Balotter" Machine, from Encyclopédie

Bénard

Design: Instruments, from Encyclopédie

Benoît-Louis Prévost

Card-Maker, from Encyclopédie

A. J. Defehrt

Design: Pantograph, from Encyclopédie

Benoît-Louis Prévost

Copperplate Engraving, from Encyclopédie

A. J. Defehrt

Medal Engraving, from Encyclopédie

Benoît-Louis Prévost

Card-Maker, from Encyclopédie

A. J. Defehrt

Wood Engraving, Tools, from Encyclopédie

A. J. Defehrt

Etching: Biting the Plate, from Encyclopédie

A. J. Defehrt

Mezzotint, from Encyclopédie

A. J. Defehrt