As they walked through the rooms given to this portion of Natural History, they observed with pleasure the admirable arrangement of specimens in glass cases, so amply labeled with the names of the principle substances combined to produce the varieties in each section, that much information may be derived from this source alone. ..therefore it was not surprising that...although they had read a few books on the subject, should presently find out much that is new to them, and they were soon ready to ask for further information 1 |
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