ScienceJohn Michels (Journalist) 1937 |
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Page 26
... tests of opti- cal surfaces , and they have been found to be about equally sensitive . Both methods have been applied in testing concave and plane diffraction gratings . Knife - edge tests are very convenient and sensitive for testing ...
... tests of opti- cal surfaces , and they have been found to be about equally sensitive . Both methods have been applied in testing concave and plane diffraction gratings . Knife - edge tests are very convenient and sensitive for testing ...
Page 230
... tests in current use . Since most available data on psychological tests refer to children of ages five or six and older , there was necessarily a long extrapolation to locate an abso- lute zero . I have studied similar data for a group ...
... tests in current use . Since most available data on psychological tests refer to children of ages five or six and older , there was necessarily a long extrapolation to locate an abso- lute zero . I have studied similar data for a group ...
Page 269
... tests with serum of No. 1334 and two with serum of No. 1499 taken at different periods during immuni- zation all failed to protect against the standard amount ( 1-25 ) of monkey passage virus , while on the other hand the serum of each ...
... tests with serum of No. 1334 and two with serum of No. 1499 taken at different periods during immuni- zation all failed to protect against the standard amount ( 1-25 ) of monkey passage virus , while on the other hand the serum of each ...
Contents
g sci | 105 |
MATZKE and PROFESSOR SAM F TRELEASE | 251 |
Recent Deaths and Memorials | 275 |
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