He proposed an experimentthat involved placing a person in what he called a sentry box on...
Join the conversation
Log in or create an account to leave a comment
Log In
He proposed an experiment
that involved placing a person in what he called a sentry box on a high tower or hilltop and raising a sharply pointed
iron rod when storm clouds approached
that involved placing a person in what he called a sentry box on a high tower or hilltop and raising a sharply pointed
iron rod when storm clouds approached
Full Transcript
00:00:01.000 --> 00:00:05.028
He proposed an experiment
that involved placing a person
00:00:05.071 --> 00:00:07.302
in what he called a sentry box
00:00:07.054 --> 00:00:09.668
on a high tower or hilltop
00:00:09.709 --> 00:00:12.543
and raising a sharply pointed
iron rod
00:00:12.578 --> 00:00:15.605
when storm clouds approached.
Want This Clip in HD?
Upgrade for HD/4K downloads and unlimited access. Upgrade now →
Movie Summary
Exploring the life and work of writer and publisher, scientist and inventor, diplomat and signer of both the Declaration of Independence and the United States Constitution: Benjamin Franklin.
