This ivory-handled pocket microscope from Jones is a tiny microscopemeasuring 6 cm, both folded and extended. Made of brass and articulated in its three parts, it has a single magnifying glass. It also has an extension shaft on which you can install some accessories that facilitate observation. It is housed in a box measuring 8 x 7 x 4 cm. It is inscribed with two initials ‘W K’. This same model, manufactured byW.S. Jones is collected in the B.C.C. o