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Creation date / 2020 / October / 19
- Gisholt Manufacturing Company book. 16.
- Gisholt Manufacturing Company book. 17.
- Gisholt Manufacturing Company book. 18.
- Gisholt Manufacturing Company book. 19.
- Gisholt Manufacturing Company book. 20.
- Gisholt Manufacturing Company book. 21.
- Gisholt Manufacturing Company book. 22.
- Gisholt Manufacturing Company book. 23.
- Gisholt Manufacturing Company manual. 7.
- Gisholt Manufacturing Company manual. 9.
- Gisholt Manufacturing Company manual. 10.
- The Gisholt Time Computer.
- The Gisholt Time Computer. 2.
- The Gisholt Time Computer slide ruler. 5.
- The Gisholt Time Computer data. 4.