he power of the spy glass, just as if it were placed at a few meters from the vented by Wollaston in 1804, as well as the numerous improvements that have been introduced into it, still observer. This means will be able to render very leaves much to be desired, in consequence of the dis- great… … ~ Boda Ss Enlargements can be obtained by interposing a con- AYLSWORTH’S BUCKLE. vex lens between the apparatus and the objective, and, according to circumstances, between the appa- position. The shell forming a bearing for the axle ratus and the paper. In order to obtain enlargements journal is of…
Internet Archive · Public domain (published before 1931). Free to use for anything.
