00305nam a22001097a 4500082002700000100001400027245004400041260003900085300002600124526003700150650000800187  a620.9bHOWcL-24, P-21  aHoward, R  aThe Works technical information service  aLondonbEmmott & CO. Limitedc1946  a24 p. :bill. :c4 Cm  a0b0c0d620_900000000000000_HOW  aMCE