950 12 210 60 Mr. George H. Ryer, of this city, has devised a way of pre- On the 21st of June . 710 1030 12 1:30 4:50 venting that difficulty, by forming a receptacle in the rear of Whoever wishes to test the accuracy of this statement the hammer head, as shown in the annexed engraving. The should… … It may be remarked here that for the latitude of Vienna divisions with the numbers of the hours, from one to twelve an enlarging apparatus, erected on Wothly’s system, with A. M., and from one to twelve P. M. Then draw upon it the the mirror in the north as shown in the diagram, Fig. 4, is forked…
Internet Archive · Public domain (published before 1931). Free to use for anything.
