A pair of Prior, England, x20 Zoom, binocular microscopes, No. 34296 and No. 39177. (2) Provenance: From the Science Lab of Ecclesbourne School in Duffield.
Microscope Loupe TP Junior x20 à LED | Nature & Découvertes
Aomekie Stereo Microscope with LED Light and Translucent Lighting 20X-40X Magnification Swivel Boom Arm and 360° Rotating Tube – TopToy