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File:Vintage Commodore Pocket LED Calculator, Model SR-1800, Made in Japan, Circa 1976 (lighter).jpg - Wikimedia Commons
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Casio QL-10: the Calculator Lighter, 1981 The Casio QL-10, an arithmetic calculator with 8 digits precision and algebraic logic. 5 functions, 24 keys, LCD display. Manufactured in Japan. Works as a cigarette
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Smoking Accessories - Scarce Vintage CASIO QL10 lighter/calculator/alarm/etc - like new/never used - needs batteries & gas was sold for R105.00 on 7 Apr at 20:15 by barvel in Johannesburg (ID:406010110)
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Cabinet Lots & Collectables + Affordable Art, Books & Table Lots - Sale 8306 - Lot 252 - Lawsons Auctioneers, Sydney
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File:Vintage Casio Combination Pocket Calculator And Cigarette Lighter, Model QL-10, Uses Butane Gas And Piezo Ignition, Made In Japan, Circa 1978 (29914290953).jpg - Wikimedia Commons
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