File:Morse-Vail Telegraph Key - 3D model by The Smithsonian Institution - Sketchfab.stl
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![File:Morse-Vail Telegraph Key - 3D model by The Smithsonian Institution - Sketchfab.stl](https://upload.wikimedia.org/wikipedia/commons/thumb/8/84/Morse-Vail_Telegraph_Key_-_3D_model_by_The_Smithsonian_Institution_-_Sketchfab.stl/800px-Morse-Vail_Telegraph_Key_-_3D_model_by_The_Smithsonian_Institution_-_Sketchfab.stl.png?20201022081135)
Size of this PNG preview of this STL file: 800 × 600 pixels. Other resolutions: 320 × 240 pixels | 640 × 480 pixels | 1,024 × 768 pixels | 1,280 × 960 pixels | 2,560 × 1,920 pixels | 5,120 × 3,840 pixels.
Original file (5,120 × 2,880 pixels, file size: 7.15 MB, MIME type: application/sla)