Pendulums.

Complete catalog record
Pendulums. Thorne Films. 4 Min., Sd., Color, 8 Mm. (Elementary Science Series, No. 172) © Thorne Films, Inc.; 25apr68 (In Notice: 1967); Mp18251.

Related films

Sources

  1. 16mm Filmography (legacy record) — title, year, creator, format, color, sound, catalog record