CH592922A5CH1424872ACH1424872ACH592922A5CH 592922 A5CH592922 A5CH 592922A5CH 1424872 ACH1424872 ACH 1424872ACH 1424872 ACH1424872 ACH 1424872ACH 592922 A5CH592922 A5CH 592922A5
Authority
CH
Switzerland
Application number
CH1424872A
Original Assignee
Italiana Tubi Metall
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Filing date
Publication date
Application filed by Italiana Tubi MetallfiledCriticalItaliana Tubi Metall
Publication of CH592922A5publicationCriticalpatent/CH592922A5/xx
G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation
G06G1/12—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation logarithmic graduations, e.g. for multiplication