Universal compound microscope

Image from the appendix to the Philosophia Britannica, or: A new and comprehensive system of the Newtonian philosophy, astronomy, and geography, in a course of twelve lectures, with notes; containing the physical, mechanical, geometrical, and experimental proofs and illustrations of all the principal propositions in every branch of natural science: also a particular account of the invention, structure, improvement and uses of all the considerable instruments, engines, and machines; with new calculations relating to their nature, power, and operation. The whole collected and methodized from all the principal authors, and public memoirs; and embellished with eighty-one copper-plates, published by Benjamin Martin in 1759.