© Thorne Films, Inc.; 30Sep71; MP22179.
HALF-WAVE RECTIFIER; CAPACITOR FILTER. See
THE COMPLETE POWER SUPPLY.
HALLOWEEN. See
HOLIDAYS.
HALOGRAPHY. See
HOLOGRAPHY.
HAMLET (Filmstrip) Popular Science Audio-Visuals. 44 fr., color, 35 mm. © Popular Science Audio-Visuals, Inc.; 6Oct69; A196156.
HANDLING COMPLAINTS BY PHONE. See
BETTER TELEPHONE TECHNIQUES.