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1. A hand-operated bar mill for decorating sunflower seed /   Publication: London : Tropical Institute , 1981 . 31 p. : Date:1981 Availability: Copies available: Turkeyen Campus Science & Technology [TJ 1225 B431] (1), Actions: Add to cart
2. A hand-operated fibre ribboner /   Publication: London : Tropical Products Institute , 1979 . 11 p. : Date:1979 Availability: Copies available: Turkeyen Campus Science & Technology [TJ 1345 B43] (2), Actions: Add to cart
3. A hand-operated disc mill for decoryicationg sunflower seed /   Publication: London : Tropical Products Institute , 1981 . 33 p. : Date:1981 Availability: Copies available: Turkeyen Campus Science & Technology [TJ 1225 B432] (1), Actions: Add to cart
4. A hand-operated winnower /   Publication: London : Tropical Products Institute , 1981 . 25 p. : Date:1981 Availability: Copies available: Turkeyen Campus Science & Technology [TJ 1225 B43] (1), Actions: Add to cart