Smith, Hamilton Lanphere, 1819-1903. [from old catalog] · Cleveland, M. C. Younglove and company · leaf 76
l of latitude, such as I K, before alluded to, into24 equal parts, and then pass a plane, a sheet of paper for example,through each of these divisions and the centre of the globe, then,wherever this plane intersected the plane of any other circle, CH A for example, it would mark out the directions… … rod, inclined to the line A C, drawn on the paper to represent ameridian line, at an angle equal to the latitude of the place, letD E be a small circle, so fixed on O B, that its plane is everywhereperpenc^cular to it, or in other words, so that the distance fromthe point B to the circumference of…
Astronomy · Meteorology · Geology · Paleontology
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