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U (Pickworth)Faber, A. W.
Untitled
Illustrated price list of A. W. Faber calculating rules (pp. 55-58), and catalogue of A. W. Faber pencils and rubbers (following on from that, but unpaginated); in Charles N. Pickworth, Instructions for the Use of A. W. Faber's Improved Calculating Rules (London: A. W. Faber, n.d.).
[1985-126]
[n.d.]