Robert hooke, a famous 17th century english scientist, published a book of sketches such as the one above. what recent invention made these observations possible? telescope graduated cylinder microscope calipers

I think it is the Microscope. Robert Hooke was a scientist who came up with the law of elasticity, the Hooke's law as well his pioneering work using the microscope to document observations of a variety of samples in his book. Hook published a book Micrographia, an accurate and detailed record of his observations through his microscope.

The correct answer would be : a system of classes that were organized like a pyramidi hope that this you !