MICROSCOPE

MAKER:Plössl & Co.

MODEL: Plössl Nr 20

c.1870's (after 1868)

SIGNED ON THE BODY TUBE: Plöfsl & Cie, in Wien

SIGNED ON THE PLATE ATTACHED TO THE FOOT: M. KIR. ALL. (Magyar Királyi Állami) MECHANIKAI ES ELEKTROMOS, IPARI SZAKISKOLA, BUDAPEST(Royal Hungarian Vocational School of Mechanics and Electrical Engineering, Budapest)

The Huygenian eyepiece slips into the top of the draw tube. The thread on the eyepiece is not used as it simply slips in, and is held in place by a separate eyecap that screws on to the outside of the drawtube. Inside the eyepiece there is a stop in the lower end closer to the lower lens.