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The Franklin Institute Foucault Pendulum - Philadelphia, PA
Posted by: Groundspeak Regular Member Math Teacher
N 39° 57.492 W 075° 10.376
18S E 485229 N 4423132
Quick Description: Mr. and Mrs. Richard L. Binder donated the Foucault pendulum at the Franklin Institute. It was installed on 15 February 1934. Eleven men held the 85-foot wire that holds the bob in order to prevent kinks from tangling it.
Location: Pennsylvania, United States
Date Posted: 7/23/2009 5:54:55 PM
Waymark Code: WM6VGE
Published By: Groundspeak Premium Member silverquill
Views: 14

Long Description:

When the bob was held and the cable extended, they did so throughout a center city parade as they were guarded by mounted policemen. The pendulum is the centerpiece of the original museum. It is located in the grand stairwell which leads to all floors of the museum.

Anyone who has done the complete museum tour will definitely remember peeking over the third floor marble staircase and wondering what the heck that silver ball was doing down there and why it was moving. Who knew it was proving a fundamental scientific principle.

Weight of the ball: 180

Length: 85

Period of oscillation: 10

Rotation time: 24

Hours of Operation: From: 9:30 AM To: 5:00 PM

Admission Cost: 10.00 (listed in local currency)

Material: Not listed

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