F-A3108

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F-A3108

(00:43:21 - 00:57:16:12) ~14 min Save changes!
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00:43:21 0
MAGNET HANGING OVER COMPASS.
00:43:25 4
A QUESTION MARK GROWS BIGGER.
00:43:54 33
HANDS ROLL BAR MAGNET INTO METAL SHAVINGS.
SHAVINGS ALL OVER BAR MAGNET. MORE METAL SHAVINGS
ATTRACTED TO MAGNET. PLACES OF CONCENTRATION,
MAGNETIC POLES. MAGNETIC FIELD.
00:44:32 71
ILLUSTRATIONS OF MAGNETIC FIELDS. COOL DESIGNS.
DRAWINGS OF MAGNETIC FIELDS.
00:45:08 107
CU MAN'S HANDS PLAY WITH RUBBER BANDS.
00:45:28 127
MAGNETIC EXPERIMENTS. EXPERIMENTS WITH MAGNETS
NORTH & SOUTH ENDS MEET.
00:46:09 168
HANDS PULL AT SPOOLS ON STRETCHED RUBBER BANDS
00:46:16 175
ILLUSTRATION SHOWS TENSION OF MAGNETIC FORCE.
00:46:47 206
HANDS PLAY WITH LITTLE MAGNETS, CROWDED WITH
LINES OF FORCE. FORCES THE MAGNETS APART.
ILLUSTRATION FOLLOWS
00:46:59 218
MAN BREAKS PIECE OF METAL WITH A HAMMER.
BROKEN BITS OF MAGNET BECOME COMPLETE MAGNET
00:47:15 234
ANIMATED MAGNETIC EXPERIMENTS. CONSEQUENT POLES
AIRPATH OF HIGH RELUCTANCE. IRONPATH OF LOW
RELUCTANCE MAP
00:49:04 343
MAN CONDUCTS EXPERIMENTS WITH MAGNETIC FIELDS,
MAGNETISM. INDUCTED MAGNETISM. PUTS STEEL FILINGS
INTO A TUBE. MOLECULES OF SOFT IRON. ILLUSTRATION
IRON BAR. STEEL BAR.
00:51:23 482
MAGNET OVER COMPASS. NORTH POLE. OPPOSITE POLE.
SOUTH POLE.
00:52:07 526
GLOBE ILLUSTRATES EARTH'S MAGNETIC PULL. NORTH
GEOGRAPHIC POLE. IRON DEPOSITS.
00:53:02 581
POINTER ON MAP. SHOWING IRON DEPOSITS. MAGNETIC
LINES. DISTORTION DUE TO IRON DEPOSITS. LINES
OF VARIATION. ISOGONIC LINES
00:54:46 685
MAN CONDUCTS MAGNETIC EXPERIMENT.
00:55:14 713
CU SPINNING COMPASS
00:55:29 728
ILLUSTRATION SHOWING COMPASS NEEDLE ALIGNING
WITH EARTH'S MAGNETIC LINES.
00:56:03 762
CHINESE BOATS AT SEA. 1920s.
00:56:16 775
CU COMPASS.
00:56:22 781
LAND SURVEYOR LOOKING INTO SURVEYING MACHINE.
00:56:34 793
SAILOR STEERING BOAT.
00:56:50 809
PILOT IN PLANE. 1920;S
00:57:01 820
HUGE ELECTRIC GENERATOR
00:57:04 823
CU OLD FASHIONED TELEPHONE.
00:57:08 827
CU 1920s RADIO
00:57:10 829
SPACE, STARS.
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Year: 1920-1929  Color: Black & White
Genre: TECHNOLOGY & SCIENCE, GENERAL

Description: PRINCIPALS OF MAGNETISM. MAGNETIC FIELDS. MAGNETIC POLES. EARTH'S MAGNETIC PULLS. ELECTROMAGNETIC INDUCTION.

Keywords: magnet


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© 2011 Historic Films Archive, LLC

Historic Films Archive, LLC

Telephone: 631-477-9700
Toll Free: 1-800-249-1940
Fax: 631-477-9800

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