Page:Reflections upon ancient and modern learning (IA b3032449x).pdf/217

 published, the World may hope to see a Catalogue. These are some of the remarkable Discoveries that have been made by Telescopes: And as new Things have been revealed, so old ones have been much more nicely observed, than formerly it was possible to observe them.

But I need not enlarge upon particular Proofs of that, which every Astronomical Book, printed within these Fifty Years, is full of. If I should, it would be said, perhaps, that I had only copied from the French Author of the Plurality of Worlds, so often mentioned already.

As some Things are too far off, so others are too small to be seen without help. This last Defect is admirably supplied by Microscopes, invented by the same Zacharias Joannides (z); which, besides Miscellaneous and Occasional Observations, have been applied to Anatomy, by Malpighius, Leeuwenhoeck, Grew, Havers, and several others. The first very considerable Essay to shew what might be discovered in Nature, by the help of Microscopes, was made by Dr. Hook, in his Micrography; wherein he made various Observations, upon very different Sorts of Bodies. One may easily imagine what Light they must needs give unto the nicer Mechanism of most Kinds of Bodies,