Harvard-Smithsonian Center for Astrophysics Harvard Observatory Plate Stacks BM Series Observing Logs Volume 1 30 January 1934 - 25 January 1940

Volume 01: 1934-01-30 - 1940-01-25 Volume 02: 1940-01-26 - 1941-02-05 Logbook displays in window named "page". To switch to single window displays, click here or on current volume above.

1934 Cover 002 004 006 008 010 012 014 016 018 020 022 024 026 028 030 033 034 036 038 040 042 044 046 1935 046 048 050 052 054 1937 056 058 060 1937 062 064 066 068 070 072 074 076 078 080 082 084 086 088 090 092 094 096 1938 096 098 100 102 104 106 108 110 112 114 116 118 120 122 124 126 128 130 1939 130 132 134 136 138 140 142 144 146 148 150 152 154 156 158 160 162 164 166 168 170 172 174 176 178 180 182 184 186 188 190 192 194 196 198 200 202 204 206 208 1940 210 212 214 216 218