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Tests of the pumps and wells of the University of Illinois (1906)
Enger, Norval · leaf 40
jz 3S -^o 40 ^ … TE5Tor AIR LIFT IN WELL No/. Pryers Fafe/it Heaol -^2^ ^L^r^^i<i^t^^^ <,^>f-^z^f-C^La.^^ , ^^z.<.^*-^ f^~?^,x^T-^ /^^a^^^X^Z^ --^v^-c^ ^^^^ ^ ^ ^^^^^ ^ ^Pumping machinery · Wells · Theses
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
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