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- what is this? Is this a magnifying glass?
- wow! These are blood cells and crystals.
- Van Lueeuwenhoek invented the microscope, he first discovered the magnifying glass.
- He discovered blood cells and microscopic nematodes, and studied the structure of wood and crystals. He also made over 500 microscopes to view specific objects.
- Van Lueeuwenhoek died on August 30th 1723.
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