Set of analogue technical drawing
Set of analogue technical drawing, 20th century: Consisting of a large compass box with the inscription ''Alda'' (complete), a smaller compass box, a slide rule, a measuring device and some precision ink writing instruments in cases. Enclosed a fountain pen. Altogether 7 parts, up to 29 x 15 cm
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Set of analogue technical drawing, 20th century: Consisting of a large compass box with the inscription ''Alda'' (complete), a smaller compass box, a slide rule, a measuring device and some precision ink writing instruments in cases. Enclosed a fountain pen. Altogether 7 parts, up to 29 x 15 cm