Word: copperizing
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Development of Copper Engraving...
...exhibition illustrating the history of copper plate engraving has just been placed in the print room of the Fogg Museum. Some of the finest and most valuable prints belonging to the Gray and Randall collections are shown, including an Otto print, which is a unique impression, remarkable impressions of plates by Durer, among which are the Knight of Death, St. Jerome, and Melancholia, and many others showing the development of the art from the earliest times...
...form of another song. In fact, the play contains approximately half the customary number of musical selections, and the appeal to attention is frankly on the side of the story, with what amounts to incidental numbers, both songs, and dances, introduced for the sake of variety. The chorus of "Copper Moon" would have gained in effectiveness had it been sung "off stage"; and in several cases a faster tempo would have improved the spirit of the songs...
This system uses an are instead of the customary spark for transmitting the sound, the are being formed between aluminum and copper electrodes in pure hydrogen. With this method Professors Chaffee and Pierce have been able to send to Gloucester, a distance of 35 miles, and hope to do even better in the near future...
...Geological Conference. Addresses on "The Microscopic Study of Copper Sulphide Ores by Reflected Light," (illustrated), by Mr. Joseph Murdoch; and "Notes on Earthquake Times," by Professor J. B. Woodworth, S.B. '94, in Mineralogical Lecture Room, University Museum...