... minute of latitude from the equator upon the meridian of this chart, computed in minutes of the equator, forms what ... to the length of a minute on the meridian of this chart at that latitude; therefore CD is to CE, ...

... intersection of the 50th degree and the 45th meridian. Campimetric Charts.—If the campimeter is marked in circles, the ...

... this occurs is marked off on the corresponding meridian on the chart seen a» the left of the figure. The ... may be obtained in this way along each meridian and the results combined upon an appropriate chart. An instrument, the perimeter, has been devised to ...

... wheel and moves with it, so that the meridians of the chart move with the quadrant. There is a scale ... or intensity of light. In fact, the Perimetric chart of a healthy and a ... is greater in the vertical meridian of the eye than in the horizontal, and ...

... separately, certain of the lines in the defective meridian Fig. 50.-Astigmatic chart. seem very much blurred, while those at exact ...

... separately, certain of the lines in the defective meridian Fig. 50.-Astigmatic chart. seem very much blurred, while those at exact ...

... as transmitted through channels (the “acupuncture channels” or “meridians”), Cleyer reproduced charts of the channels, shown here. He did not ...

... Fleming, next suggests die idea of extending the meridian fines on the plane chart, in receding from the equator, in a ratio ... to begin the measurement of longitude, the first meridian is arbitrarily ... purpose: hence charts and nautical almanacs must undergo a tedious reduc- ...

... observatory, at Greenwich, near London, as the first meridian, and on most maps and charts lately published, longitude is reckoned from that place ...

... observations for the time, latitude, longitude, and true meridian ; application of astronomy to navigation ; and the construction of general charts. 1349. The course of Engineering and the Science ...