Culpeper-type microscope by Dollond, ¼ 19th C.
Signed: Dollond London
Case 21 x 21 x 45 cm
Base 17 x 17 x 6,5 cm; height 39 cm
This all-brass Culpeper-type microscope is mounted on a mahogany base with a drawer that supports three scrolled legs that in turn support the stage. The mirror pins on a boss in the base. The circular stage has a central aperture for illumination by transmitted light. There is also a slide for fish-plate and phial. Three additional scrolled supports rise from the stage and carry a circolar collar and the outer tube. Focusing is achieved by rackwork mounted on the outer sleeve and moving the body tube. A milled-head pinion furnishes the coarse adjustment. There is a drawtube and the objective screws to the nosepiece.
The accessories include bull's eye, forceps, six objectives numbered from 1 to 6 (number 2, 4 and 5 have missing lenses), a lieberkuhn in its brass box, a lieberkuhn carrier, a live box, three small boxes for fixing glasses, six wooden slides, three small bottles ( a small bottle with brass decoration and signed "EXPOSITION UNIVERSELLE 1867" is present, too). The mahogany case also has a drawer for accessories with an ivory pull and green baize inside.