Filename Size Popular Science [1944-04] {4BF7E6E9}.pdf 95.1 MB Popular Science [1945-09] {0C3232DA}.pdf 108.6 MB Popular Science [1945-10] {DB58BAC3}.pdf 111 MB Popular Science [1948-06] {33EA7912}.pdf 108.4 MB Popular Science [1949-06] {59BE0080}.pdf 101.6 MB Popular Science [1950-02] {304125A4}.pdf 105.9 MB Popular Science [1951-04] {DB47E0FB}.pdf 103.2 MB Popular Science [1951-05] {B7EC8767}.pdf 94.7 MB Popular Science [1951-10] {7C0ADAEE}.pdf 110.9 MB Popular Science [1951-12] {9B504DD6}.pdf 108.1 MB Popular Science [1954-08] {96D383E0}.pdf 90 MB Popular Science [1955-07] {EADF3053}.pdf 87 MB Popular Science [1956-05] {DBF1D811}.pdf 97.1 MB Popular Science [1957-06] {0D6D1020}.pdf 86.8 MB Popular Science [1957-12] {E9A44BC0}.pdf 86.8 MB Popular Science [1958-07] {35E368E6}.pdf 76.9 MB Popular Science [1966-01] {E5FA31AB}.pdf 79.9 MB Popular Science [1967-08] {2C3BF00C}.pdf 66 MB Popular Science [1968-01] {3DD23762}.pdf 78.8 MB Popular Science [1969-08] {E37B6707}.pdf 74.5 MB Popular Science [1970-02] {8A98E02F}.pdf 61.4 MB Popular Science [1970-10] {FAF18D45}.pdf 57.8 MB Popular Science [1973-09] {74D92788}.pdf 60.7 MB Popular Science [1973-12] {695D7BC0}.pdf 58.6 MB Popular Science [1977-11] {CD1D1ED7}.pdf 75 MB Popular Science [1978-05] {993E7C8A}.pdf 79.7 MB Popular Science [1978-11] {232897FE}.pdf 65.9 MB Popular Science [1978-12] {38C9A1BD}.pdf 60.9 MB Popular Science [1979-10] {72B0D387}.pdf 71.6 MB Popular Science [1980-12] {F75B95FB}.pdf 62.1 MB Popular Science [1981-12] {BBD7B057}.pdf 54.4 MB Popular Science [1982-02] {A3648348}.pdf 59.5 MB Popular Science [1983-06] {756F1C0B}.pdf 66 MB Popular Science [1983-08] {FE83B908}.pdf 54 MB Popular Science [1983-09] {A28E8016}.pdf 63.3 MB Popular Science [1985-10] {D092FA5B}.pdf 54 MB Popular Science [1986-03] {57484889}.pdf 50.3 MB Popular Science [1989-11] {022CC0E1}.pdf 50.1 MB Popular Science [1991-01] {E37DE92A}.pdf 37.3 MB Popular Science [1992-04] {E25A1AF5}.pdf 40.6 MB Popular Science [1993-04] {C07215BD}.pdf 42.2 MB Popular Science [1993-07] {3B7E34E6}.pdf 36.1 MB Popular Science [1993-11] {54276E45}.pdf 46 MB Popular Science [1994-07] {D22B30C3}.pdf 35.1 MB Popular Science [1994-12] {21F3B2F6}.pdf 45.2 MB Popular Science [1995-07] {A054346F}.pdf 35.1 MB Popular Science [1995-09] {60542FB5}.pdf 36.7 MB Popular Science [1997-11] {AE7ED83A}.pdf 40 MB Popular Science [1998-09] {8FBF95A8}.pdf 33.9 MB Popular Science [1999-01] {4D064238}.pdf 29.3 MB Popular Science [2005-09] {6D0E22A9}.pdf 39.2 MB Popular Science [2006-02] {47FF232E}.pdf 33.2 MB Popular Science [2006-12] {0E381774}.pdf 43.7 MB Popular Science [2007-04] {59617D1D}.pdf 33.3 MB Popular Science [2007-09] {C4A55921}.pdf 34.1 MB Popular Science [2008-06] {462FB2F2}.pdf 32.5 MB Popular Science [2008-07] {214811AB}.pdf 31.8 MB Popular Science [2009-12] {4B6E89C9}.pdf 20 MB Popular Science [2011-10] {2089B49B}.pdf 39.6 MB Popular Science [2013-09] {B307C808}.pdf 29.1 MB Popular Science [2013-10] {27A260CF}.pdf 33.9 MB Popular Science [2014-02] {52BB6FF3}.pdf 17.5 MB Popular Science [2014-09] {50092EEA}.pdf 21.6 MB Popular Science [2015-01] {75428D3C}.pdf 21.3 MB Popular Science [2015-05] {840B2865}.pdf 20.9 MB Popular Science [2016-05] {A7B98491}.pdf 60.1 MB Popular Science [2017-01] {FF806A26}.pdf 10.9 MB Popular Science [2017-11] {43D72A6E}.pdf 9.9 MB Popular Science [2018-01] {A7E24EA8}.pdf 9.8 MB Popular Science [2018-Fa] {85957BEB}.pdf 10.5 MB Popular Science [2018-Wi] {EE611E80}.pdf 18.5 MB Popular Science [2019-Fa] {EF12839E}.pdf 19.7 MB Popular Science [2019-Sp] {2D707A5A}.pdf 22.8 MB Popular Science [2019-Wi] {076D2752}.pdf 37.1 MB Popular Science [2020-Fa] {D54B976D}.pdf 15 MB Popular Science [2020-Sp] {23ECC596}.pdf 19.2 MB Popular Science [2020-Wi] {A361EF15}.pdf 24.8 MB Popular Science [2021-Fa] {5DBCD6E3}.pdf 33.1 MB Popular Science [2021-Sp] {AA12535D}.pdf 37.5 MB Popular Science [2021-Su] {8162846B}.pdf 34.4 MB Popular Science [2021-Wi] {0B4A04A8}.pdf 36.3 MB Popular Science [2022-Sp] {416BE75C}.pdf 40 MB