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|  1-12-2.jpg:733x754, 68k | 
|  Ход лучей 1.jpg:330x140, 18k | 
|  10-12-2.jpg:700x946, 93k | 
|  11-12-2.jpg:506x670, 57k | 
|  13-12-2.jpg:872x680, 77k | 
|  15-12-2.jpg:762x1082, 124k | 
|  2-12-2.jpg:468x369, 32k | 
|  3-12-2.jpg:596x467, 38k | 
|  5-12-2.jpg:857x769, 57k | 
|  7-12-2.jpg:550x370, 37k | 
|  9-12-2.jpg:844x986, 122k | 
|  frogblood.jpeg.jpg:1125x1125, 180k | 
|  leeuwenhoeksm.jpeg.jpg:340x303, 32k | 
|  Микроскоп Левенгука ml1.jpg:179x121, 11k | 
|  ml2.jpg:113x179, 12k | 
|  mm2.jpg:176x179, 13k |