371° (see All these matters, and many more, pertinent to the subject, damper can be opened or shut without burning the fingers— Fig. 5), the horizontal ellipses being struck approximatively are fully and skillfully discussed in the October Quarterly. certainly a great desideratum. This invention… … This invention was patented September 25, 1866, by J. U. no corrections made in the Northern hemisphere can be de- not shown, and the vertical ellipses from four centers HH'I Mueller, and its practicability having been fully tested, a pended on in the Southern, and that the only safe or tolerably…
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