Leeuwenhoek's microscope Size:XL: 90 x 60cm showing a steam engine

showing a steam engine

carrying a basket of her wares on her head

I've A'most More Work than I Can Manage

16 June 1600

or a Prussian reception

Leeuwenhoek's microscope Size:XL: 90 x 60cm showing a steam engineSingle lens microscope, replica of an instrument by Antoni van Leeuwenhoek. Antoni van Leeuwenhoek developed his own very strong microscopes. Each had a tiny single lens, but they could magnify up to 250 times. Van Leeuwenhoek investigated the structure of muscles and plants , the shapes of crystals in grains of sand and much more. He was the first to describe microscopic organisms living in water. We know them today as bacteria and protozoa. 17th