Combined too convex lenses within a tube, thus constructing the forerunner of the compound microscope
by a frog
Hans and Zacharias Janssen invented the first compound microscope.They did not discover it.
they did something about cells......I think -1950. Dutch eyeglass makers, such as Zacharias Janssen ( exact dates unknown ), invent the first compound microscopes, by lining up two lenses to produce extra-large images.
II-Courtesy jules advincula biology :P
His contribution was the electric currents create magnetic fields, an important aspect of electromagnetism...
Hans janssens
by a frog
Hans and Zacharias Janssen invented the compound microscope in 1595.
Hans and Zacharias Janssen are credited with inventing the first compound microscope around 1590. Their creation allowed for the magnification of small objects, leading to advancements in scientific observation and research.
Hans and Zacharias Janssen invented the first compound microscope.They did not discover it.
Zacharias Janssen was born In 1580.
Hans and Zacharias Janssen's contribution to the invention of the microscope is believed to have occurred around the late 16th century, in the 1590s. They are credited with creating one of the earliest compound microscopes, which helped pave the way for advancements in the field of microscopy.
Hans and Zacharias Janssen are credited with inventing the first compound microscope in the late 16th century. Their creation revolutionized the field of optics and laid the foundation for modern microscopy.
hans and zacharias
they were father and son
Hans and Zacharias Janssen
zacharias and Hans janssen invented the microscope