Another Compound Microscope was made by Mr. Pillischer for the use of students and children. In every respect it is a compact, handy instrument, and well finished in its mechanical details.

Mr. Bakers represents smaller Compound Microscope, differing in some respects from that just described. It is not fitted with sub-stage, but such an appliance may be readily attached, dovetailed grooves being left for the purpose. The motions to stage and body, and general finish, are similar to those of the best instruments, and it is […]

The compound microscope may, consist of only two lenses, while simple microscope has been shown to contain sometimes three. In the triple for the simple microscope, however, it was explained that the object of the first two lenses was to do what might have been accomplished, though not so well, by one; and the third […]

”We shall first speak of the single microscope, that having invented and used long before the double or compound microscope. When the lenses of the single microscope are very convex, and consequently the magnifying power great, the field of view is small ; and it is difficult to adjust with accuracy their focal distance, that […]