The Journal of microscopy and natural science . r-glass being mounted in Canada Balsam, those under theother in Balsam of Tolu. We are struck with the extra clearnessof the Tolu mount, although the medium is not nearly so colour-less as the Balsam. Mr. Kain does not give us the formula forpreparing the medium. Van Nostrands Engineering Magazine for September (NewYork, ) contains, in addition to a large amount of informa- 260 CURRENT NOTES, ETC. tion specially valuable to the engineer, several articles of generalinterest—The Temperature of the Sun, The Meteorology ofthe Great Pyramid, and
The Journal of microscopy and natural science . r-glass being mounted in Canada Balsam, those under theother in Balsam of Tolu. We are struck with the extra clearnessof the Tolu mount, although the medium is not nearly so colour-less as the Balsam. Mr. Kain does not give us the formula forpreparing the medium. Van Nostrands Engineering Magazine for September (NewYork, ) contains, in addition to a large amount of informa- 260 CURRENT NOTES, ETC. tion specially valuable to the engineer, several articles of generalinterest—The Temperature of the Sun, The Meteorology ofthe Great Pyramid, and several others. We have pleasure in drawing the attention of our readers toPeases Facility Nose-Piece, an engraving of which weannex. This appliance has been devised to facilitate the rapidinterchange of objectives. The adapter nose-piece, A, screws onto the nose-piece of the microscope by the usual society screw,where it may remain permanently. It is provided with mechanismsimilar to that applied in the self-centering chuck. By the partial.
Size: 1857px × 1345px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, booksubjectmicroscopes, booksubjectmicroscopy
