Front:
FRARED
VISIBLE
URATOLET XRAYS GAMMA
3100 MILES
60
<WAVE LENGTH >
FREQUENCY
I INCH
10,000,000,000
I MILLIONTH INCH
1016
CYCLES PER SECOND
Back:
MUSEUM OF SCIENCE AND INDUSTRY
Chicago, Illinois
ELECTRIC THEATER - Several times daily, visitors to
this exhibit on electricity enjoy lively demonstrations
in the "Electric Theater," and are surprised and amazed
at the feats which can be accomplished with electricity.
P86771
Museum of Science and Industry, East 57 and South Lake Shore Drive
Mastichrome
© COLOURPICTURE
BOSTON, MASS. 02130
