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A lecturer explains formulas beside a model aircraft

Name: A lecturer explains formulas beside a model aircraft
Uploaded: 2026-09-04T00:06:44.463Z
Duration: 20 s
Channel: The March of Time (Outtakes)
Description: Before a blackboard covered with formulas and a sketched wing profile, a lecturer in spectacles and a suit points with the chalk; a model aircraft is mounted on a stand at his side, and in the foreground the heads of students follow him, one in a leather flying helmet. The source speaks of classroom instruction in aviation.

Before a blackboard covered with formulas and a sketched wing profile, a lecturer in spectacles and a suit points with the chalk; a model aircraft is mounted on a stand at his side, and in the foreground the heads of students follow him, one in a leather flying helmet. The source speaks of classroom instruction in aviation.

Period: c. 1938–1940
Credit: The March of Time (Outtakes)US National ArchivesPublic Domain (NARA) · Digitalisierung und Bearbeitung: © zb Media GmbH

Specifications

Clip name: HFE009806
Length: 0' 20"
Aspect Ratio: 16:9
Frames per Second: 24 fps
Chroma Subsampling: yuv422p10le
Resolution: 1920 × 1080
Format: MOV
File Size: 454,537,028 bytes

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