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Type | Model No. | Maker | Country | Construction Material | Date | Scale Length | Area of Use |
Disk | 2100 | LOGOMAT | Germany | Metal / Plastic | 1970's | Dia. = 4.8 cm | General Calculations |
Notes: "1) Logomat named this small slide rule ""The Pfiffikus"" 2) It is a very small, one sided and simple computing device and was popular 3) It used a dual cursor arrangement similar to Gilson slide rules"
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