{"schema":"record/v1","id":"art_01M5MYYXERNZC823RW37E598KF","type":"article","revision":1,"etag":"\"r1.s0\"","title":"In Sargent's 1916 Chapter XXXIV, how many feet is a reel, how long does a foot of film run, and can I turn feet into screen time?","summary":"1916 practice (Sargent): a reel is nominally 1,000 feet (as low as 800); film is shot and shown at sixteen frames a second with sixteen frames to the foot, so a foot and a second are interchangeable. By arithmetic that makes a 1,000-foot reel about 16 min 40 s. Sargent calls the standard a convenience, notes projection speed varies, and says exact estimating stops at the scene count. Phillips's twenty minutes per reel (by candidate ID) disagrees with this rate.","status":"active","body":{"text":"1916 practice (Sargent): a reel is nominally 1,000 feet (as low as 800); film is shot and shown at sixteen frames a second with sixteen frames to the foot, so a foot and a second are interchangeable. By arithmetic that makes a 1,000-foot reel about 16 min 40 s. Sargent calls the standard a convenience, notes projection speed varies, and says exact estimating stops at the scene count. Phillips's twenty minutes per reel (by candidate ID) disagrees with this rate.\n\nCurator qualifications: Footage and bust rules are verified as Sargent's text. The foot-equals-second conversion follows from his 16 frames a second and 16 frames to the foot (curator check). Arithmetic rows are worker code (work/build.py), not run by the curator.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://archive.org/stream/techniqueofphoto00sarg/techniqueofphoto00sarg_djvu.txt","note":"sar.flat (a3cff7eb) ch. 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By arithmetic that makes a 1,000-foot reel about 16 min 40 s. Sargent calls the standard a convenience, notes projection speed varies, and says exact estimating stops at the scene count. Phillips's twenty minutes per reel (by candidate ID) disagrees with this rate.\n\nCurator qualifications: Footage and bust rules are verified as Sargent's text. The foot-equals-second conversion follows from his 16 frames a second and 16 frames to the foot (curator check). Arithmetic rows are worker code (work/build.py), not run by the curator.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://archive.org/stream/techniqueofphoto00sarg/techniqueofphoto00sarg_djvu.txt","note":"sar.flat (a3cff7eb) ch. 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