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Science and Invention 1929-10
2102 visits
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Science and Invention 1929-11
1854 visits
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Science and Invention 1929-12
1916 visits
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Science and Invention 1930-01
1641 visits
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Science and Invention 1930-02
1621 visits
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Science and Invention 1930-03
1661 visits
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Science and Invention 1930-04
1762 visits
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Science and Invention 1930-05
1630 visits
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Science and Invention 1930-06
1674 visits
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Science and Invention 1930-07
1383 visits
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Science and Invention 1930-08
1691 visits
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Science and Invention 1930-09
1450 visits
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Science and Invention 1930-10
1425 visits
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Science and Invention 1930-11
2000 visits
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Science and Invention 1930-12
1931 visits
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Science and Invention 1931-01
1722 visits
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Science and Invention 1931-02
1655 visits
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Science and Invention 1931-03
1811 visits
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Science and Invention 1931-04
2225 visits
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Science and Invention 1931-05
1836 visits
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Science and Invention 1931-06
1492 visits
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Science and Invention 1931-07
1891 visits
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Science and Invention 1931-08
1971 visits
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Science and Invention and Radio News -1922A
961 visits
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Science and Invention Incorporating Experimenter -1926A
1067 visits
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Science and Invention Reporter's ID Card
760 visits
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Science and Invention Sub Materials -1925
4479 visits
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Science and Mechanics 1931-11
7046 visits
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Science and Mechanics 1931-12
5198 visits
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Science and Mechanics 1932-01
3018 visits
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Science and Mechanics 1932-02
2628 visits
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Science and Mechanics 1932-03
2510 visits
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Science and Mechanics 1932-04
4143 visits
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Science and Mechanics 1932-05
33 visits
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Science and Mechanics 1932-06
4059 visits
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Science and Mechanics 1932-07
2659 visits
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Science and Mechanics 1932-09
4470 visits
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Science and Mechanics 1932-10
2215 visits
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Science and Mechanics 1932-11
3511 visits
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Science and Mechanics 1932-12
2531 visits
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Science and Mechanics 1933-01
2499 visits
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Science and Mechanics 1933-02
2541 visits
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Science and Mechanics 1933-04
2583 visits
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Science and Mechanics 1933-05
2549 visits
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Science and Mechanics 1933-06
3452 visits
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Science and Mechanics 1933-07
1619 visits
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Science and Mechanics 1933-08
18 visits
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Science and Mechanics 1933-09
3022 visits
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Science and Mechanics 1933-10
1517 visits
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Science and Mechanics 1933-11
1696 visits
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Science and Mechanics 1933-12
1720 visits
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Science and Mechanics 1934-01
1559 visits
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Science and Mechanics 1934-02
2202 visits
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Science and Mechanics 1934-03
1705 visits
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Science and Mechanics 1934-04
3218 visits
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Science and Mechanics 1934-05
1571 visits
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Science and Mechanics 1934-06
1392 visits
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Science and Mechanics 1934-07
28 visits
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Science and Mechanics 1934-09
1556 visits
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Science and Mechanics 1934-10
2004 visits
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Science and Mechanics 1934-11
1655 visits
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Science and Mechanics 1935-02
1745 visits
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Science and Mechanics 1935-04
1557 visits
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Science and Mechanics 1935-06
1506 visits
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Science and Mechanics 1935-08
1447 visits
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Science and Mechanics 1935-10
1780 visits
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Science and Mechanics 1935-11
1747 visits
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Science and Mechanics 1935-12
1985 visits
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Science and Mechanics 1936-01
1424 visits
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Science and Mechanics 1936-02
1411 visits
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Science and Mechanics 1936-03
1501 visits
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Science and Mechanics 1936-04
1413 visits
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Science and Mechanics 1936-05
1874 visits
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Science and Mechanics 1936-06
1322 visits
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Science and Mechanics 1936-08
1435 visits
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Science and Mechanics 1936-10
1544 visits
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Science and Mechanics 1937-02
2345 visits
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Science and Mechanics 1937-02 Change of Ownership
1918 visits
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Science and Mechanics 1937-04
1339 visits
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Science and Mechanics 1937-06
1672 visits