box of marbles for falling bodies experiment
Date: circa 1850
Inventory Number: DW0316c
Classification: Demonstration Apparatus
Subject:
Maker: Breton Frères (fl. 1843 - 1884)
Cultural Region:
Place of Origin:
Dimensions:
case: 4.9 × 3 × 7 cm (1 15/16 × 1 3/16 × 2 3/4 in.)
Description:
The marbles are stored in a small box.
Signedon plate: BRETON FRERES / Paris rue Dauphine 25
FunctionThis demonstration apparatus is to show that when a ball (or marble) is thrown against a hard surface at an angle, it rebounds in the opposite direction with the same angle. Just as light does when hitting a mirror, the marble's angle of incidence equals its angle of reflection.