Harper's New Monthly Magazine Volume 104 December 1901 to May 1902 . drawings were completed each year The photographic microscope with its for three consecutive seasons. Thenhalf-inch objective is all ready, close by, came the idea of micro-photographs, bycentred, and focussed. The plate-holder, the dry-plate process. In January, 1885,with its rapid plates, is in position. I made my first success with this meth-The room is lighted only from the win- od; now I have a collection of more thandow overhead, through which frail,branching, tabular crystals, big and soft,are dropping gently on the bl
Harper's New Monthly Magazine Volume 104 December 1901 to May 1902 . drawings were completed each year The photographic microscope with its for three consecutive seasons. Thenhalf-inch objective is all ready, close by, came the idea of micro-photographs, bycentred, and focussed. The plate-holder, the dry-plate process. In January, 1885,with its rapid plates, is in position. I made my first success with this meth-The room is lighted only from the win- od; now I have a collection of more thandow overhead, through which frail,branching, tabular crystals, big and soft,are dropping gently on the blackboardfrom the thin lower stratum of doors and out the temperature is thesame, and there is time, as these mys-terious messengers present themselves,to study them. No two are alike. Of thetens of thousands now filling the air, aninfinitesimal proportion fall on this board;nor is there good reason to doubt thatwhen they started from equal heightson their journey earthward, many ofthe snow crystals were exactly alike inshape and size, and probably in den-.
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Keywords: ., bookauthorvarious, bookcentury1900, bookdecade1900, bookyear1902
