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Type | Model No. | Maker | Country | Construction Material | Date | Scale Length | Area of Use |
Disk | AT-Culator | Albany Enterprises | USA | Metal /Plastic | c. 1969 | Dia. = 21 cm | Chemistry & Metalurgy |
Notes: "1) A very interesting and rare slide rule similar to a Gilson design, but specialized for atomic element and mole fraction calculations 2) Unit has a spiral scale on the front side and consists of 3 concentric disks, one metal and 2 plastic 3) Designed at the US bureau of mines in Albany, Oregon."
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