00431nam a2200097u  4500082002600000100004900026245015800075260004500233300001800278526003700296  a681.2bMARcL-24, P-81 aMarshall, Alfred William. [from old catalog]00aMicrometers, slide gauges and calipers, principles, construction, operation and use of appliances for fine mechanical measurements, bAlfred w. marshall,  aLondon,bP. Marshall & co., ltd.c[1939]  a76 p.c19 cm.  a0b0c0d681_200000000000000_MAR