Science, Volume 71, Issues 1827-18521930 |
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Page 23
... experiments with geometrical figures . A systematic development of the conceptual experiment would be found by many , I believe , to give a more illuminating insight than a painful acqui- sition of the details of the present ...
... experiments with geometrical figures . A systematic development of the conceptual experiment would be found by many , I believe , to give a more illuminating insight than a painful acqui- sition of the details of the present ...
Page 614
... experiments with Aedes scapularis , A. taeniorhynchus , Psorophora ciliata and P. posticata . None of these experiments were suc- cessful . More than two decades later , in West Africa , Bauer carried out the first successful ...
... experiments with Aedes scapularis , A. taeniorhynchus , Psorophora ciliata and P. posticata . None of these experiments were suc- cessful . More than two decades later , in West Africa , Bauer carried out the first successful ...
Page 652
... experiments of the most diversified kinds . Electrons were found to be a universal constituent of matter . They could be ab- stracted from any kind of matter in a variety of ways . They could be vaporized from matter by heating ; they ...
... experiments of the most diversified kinds . Electrons were found to be a universal constituent of matter . They could be ab- stracted from any kind of matter in a variety of ways . They could be vaporized from matter by heating ; they ...
Contents
VOL LXXI | 20 |
PROFESSOR JAMES G NEEDHAM | 26 |
DEATRICK E P Weed Eradication 487 | 28 |
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