Bracket clock, French, c 1680.

Bracket clock, French, c 1680.

Pascal's calculating machine, 1642, and Colmar's Arithmometer, c 1850.

Pascal's calculating machine, 1642, and Colmar's Arithmometer, c 1850.

Bleriot monoplane flying from Paris to London, 1910.

The railway from Paris to Rouen, France, 19th century.

Two gold watches by Breguet, c 1818-1825.

Burroughs registering accountant, 1913.

Burroughs registering accountant, c 1900.

Electrogalvanic amulets, 1870-1935.

Stone quarry, Roche, Paris, France, 1860s.

Four neon lights, c 1920.