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Ephemeral Films

Ephemeral films are non-fiction films usually made for educational, industrial, or promotional purposes. The two classic ephemeral film collections found on the Archive are the Prelinger Archives and AV Geeks.



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Title
Date Archived
Creator
Educational Films
by International Film Bureau
movies

eye 346

favorite 6

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago
Topics: Electric resistors, Electricity
Educational Films
by International Film Bureau
movies

eye 483

favorite 8

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago
Topics: Electric currents, Electricity
Educational Films
by International Film Bureau
movies

eye 435

favorite 8

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago Covers explanation of capacitance; capacitors; their construction; charging and discharging; demonstration; plate area; separation distances; dielectric; types and uses of capacitors; and the farad
Topics: Capacitors, Electricity
Educational Films
by International Film Bureau
movies

eye 427

favorite 9

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago
Topics: Electric motors, Electric generators, Electricity
Educational Films
by International Film Bureau
movies

eye 748

favorite 14

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago
Topics: Electric batteries, Electricity
Educational Films
by International Film Bureau
movies

eye 434

favorite 8

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago
Topics: Electric currents, Short circuits, Electricity
Educational Films
by International Film Bureau
movies

eye 570

favorite 9

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago Covers effect of a magnet on a coil; e.m.f. of self-induction; Lenz's law; inductor-choke; noninductive winding; the "henry"; inductors in a yoke; e.m.f. of mutual induction; the transformer; examples of "turns-to-voltage" ratios; and types of transformers
Topics: Electric transformers, Inductance, Electricity
Educational Films
by International Film Bureau
movies

eye 421

favorite 9

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago
Topics: Electric apparatus and appliances, Electricity
Educational Films
by International Film Bureau
movies

eye 1,008

favorite 26

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago Covers electrons and protons; negative, positive, and balance charges; free electrons; conducting and nonconducting materials; and electron flow
Topic: Electricity
Educational Films
by International Film Bureau
movies

eye 434

favorite 10

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago
Topics: Electric resistors, Electricity
Educational Films
by International Film Bureau
movies

eye 446

favorite 14

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago
Topics: Electric power, Electricity
Educational Films
by International Film Bureau
movies

eye 622

favorite 10

comment 0

Consultant, James M. McGrath, Lane Technical High School, Chicago Covers definition of direct current; circuit with center-zero ammeter; definition of alternating current and effect on ammeter; universal use of alternating current; high-voltage transmission; transformers; sine wave; cycle periods and frequency; Hertz; amplitude; in phase, out of phase; and root mean square
Topics: Electric currents, Alternating, Electricity
Educational Films
by International Film Bureau; Stewart Film Distributors
movies

eye 540

favorite 9

comment 0

Title from data sheet
Topics: Ohm's law, Electricity