Leeuwenhoek's microscope Size:XL: 90 x 60cm or in the gallery above

or in the gallery above

'The last dying speech of Bartlemy Fair'

The dome of St Paul's Cathedral

The quacks depicted include: Mrs Sarah Mapp

carrying a basket of her wares on her head

Leeuwenhoek's microscope Size:XL: 90 x 60cm or in the gallery aboveSingle 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