
- Gear Wheels Simply Explained-A W Marshall-The Model Engineer Series No 48.
- Gear Wheels Simply Explained By A W Marshall-The Model Engineer Series No.
- Gear Wheels Simply Explained By A W Marshall-The Model Engineer Series No.
- Gear Wheels Simply Explained By A W Marshall-The Model Engineer Series No.
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Gear Wheels Simply Explained By A W Marshall-The Model Engineer Series No. 48.
- Circa 1950s publication by Percival Marshall & Co London. 63 pages with 60 illustrations
- £8.50