https://peertube.dngr.us/videos/watch/b63b42a4-7aad-43f1-b1e3-ef168ecb5062 Want to support this channel and help us preserve old films? Visit https://www.patreon.com/PeriscopeFilm Visit our website www.PeriscopeFilm.com The Story of Measuring Time: Hours, Minutes, Seconds, is a black and white film copyrighted in 1964. This film was produced by Coronet Films (also known as Coronet Instructional Media Inc.) which was a producer and distributor of American documentary shorts that were shown in schools from the 1940s through the 1980s. This film shows the progression of the measurement of time. Educational Collaborator was Herbert F. Spitzer, Ph.D., professor of Education at State University of Iowa. A Train Schedule measures hours (0:19-0:24). Boiling Eggs – the stove timer measures minutes (0:25-0:31). Seconds can be measured on the scoreboard (0:32-0:38). Electric clock with all three (0:39-0:51). Drawings of Primitive man (0:54-1:06). A sunrise (1:07-1:13). Midday (1:14-1:18). A sunset (1:19-1:23). Movement of a shadow (1:35-1:43). A shadow clock or sundial can measure hours (1:44-2:36). Early water clock (2:48-3:14). Sand Hourglass (3:15-3:29). Candle clock (3:30-3:53). Candle clock that cast a shadow on a dial (3:54-4:19). Burning oil clock (4:20-4:43). Hourglass (4:44-4:57). Gears in time pieces kept clocks going longer (4:58-5:16). Weights on chains moved the gears (5:17-5:43). The pendulum and escape wheel (5:56-6:25). Pendulum clock (6:26-6:39). Pocket watch (6:40-7:39). Coiled spring of a pocket watch (6:45-6:50). Nuremberg Egg pocket watch of the 16th century (6:57-7:04). A hair spring of a pocket watch (7:09-7:26). An electric clock (7:40-8:10). Gears of the electric clock (8:11-8:18). A wrist watch by Timex – founded in 1854 (8:19-8:37). Stop watch (8:38-8:52). An oscilloscope measures time to hundredths of a second (8:53-9:17). An Atomic clock (9:18-9:37). A train schedule (9:38-9:50). A stove timer (9:51-9:54). A scoreboard (9:55-10:00). An oscilloscope (10:01-10:20). We encourage viewers to add comments and, especially, to provide additional information about our videos by adding a comment! See something interesting? Tell people what it is and what they can see by writing something for example: "01:00:12:00 -- President Roosevelt is seen meeting with Winston Churchill at the Quebec Conference." This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD, 2k and 4k. For more information visit http://www.PeriscopeFilm.com We encourage viewers to add comments and, especially, to provide additional information about our videos by adding a comment! See something interesting? Tell people what it is and what they can see by writing something for example: "01:00:12:00 -- President Roosevelt is seen meeting with Winston Churchill at the Quebec Conference." This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD, 2k and 4k. For more information visit http://www.PeriscopeFilm.com Source: https://www.youtube.com/watch?v=66S9tGxz_Hc Mirrored from Periscope Film (https://www.youtube.com/@PeriscopeFilm) Sat, 13 Jun 2026 15:14:23 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.dngr.us https://peertube.dngr.us/lazy-static/avatars/41a6fee9-7f57-42d0-a5fc-5db4f1af2e31.png https://peertube.dngr.us/videos/watch/b63b42a4-7aad-43f1-b1e3-ef168ecb5062 All rights reserved, unless otherwise specified in the terms specified at https://peertube.dngr.us/about and potential licenses granted by each content's rightholder.