3 무료 아트워크 "계산기"에 대해

삽화책접시포도 수확골동품소묘오래된
Abacus from Map Modeling in Geography, Including the Use of Sand, Clay, Putty, Paper Pulp, Plaster of Paris... Also Chalk Modeling in its Adaptation to Purposes of Illustration. Fully Illustrated published by E.L Kellogg & Co. (1895).
계산기연필
"Máchina de calcular Brungsviga"
삽화책
"Machina de calcular de Maurel e Jayet".
삽화책
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