http://en.wikipedia.org/wiki/Antonie_van_Leeuwenhoek
The microscopes were relatively small devices, the biggest being about 5 cm long.They are used by placing the lens very close in front of the eye, while looking in direction of the sun. The other side of the microscope had a pin, where the sample was attached in order to stay close to the lens. There were also three screws that allowed to move the pin, and the sample, along three axes: one axis to change the focus, and the two other axes to navigate through the sample.
The microscopes were relatively small devices, the biggest being about 5 cm long.They are used by placing the lens very close in front of the eye, while looking in direction of the sun. The other side of the microscope had a pin, where the sample was attached in order to stay close to the lens. There were also three screws that allowed to move the pin, and the sample, along three axes: one axis to change the focus, and the two other axes to navigate through the sample.
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