Topic: Hans Janssen
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When was hans janssen born?
Hans Janssen of gun-making fame was born in the 1800s. Read More »
Source: http://wiki.answers.com/Q/Where_was_Hans_and_Zacharias_Janssen_bo...
Who was Hans Janssen?
Hans Janssen was the supposed creator of the microscope, along with his son, Zacharias Janssen. Actually, Hans Janssen was the son of Zacharias Janssen, not the other way around. And yes they did invent the first Compound Microscope in the ... Read More »
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When did hans janssen born?
same time ur mom in 0001 Read More »
Source: http://wiki.answers.com/Q/When_did_hans_janssen_born
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omg u guys answer it thats why you think of any question u probably can and answer it like the one i asekd
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Source: http://wiki.answers.com/Q/What_hans_and_zacharias_janssen_discove...
him and his son helped invent the compound microscope by putting two lenses together warning they did not invent the microscope but did invent the compound microscope
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Source: http://wiki.answers.com/Q/What_did_hans_janssen_do_for_science
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.
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Source: http://wiki.answers.com/Q/What_hans_and_zachavias_contributes_to_...
Hans Janssen was one of three Dutch lens makers variously credited with the invention of the microscope itself. The other two are Sacharias Janssen, his son, and Hans Lippershey. Invention of the Microscope http://www.aps.org/publications/a...
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Source: http://wiki.answers.com/Q/What_did_hans_jensson_discover
Dutch maker of spectacles who invented the first compound microscope in 1590 (a compound microscope is one which has more than one lens). The lens in the eyepiece was bi-convex (bulging outwards on both sides), and the lens of the far end (...
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Source: http://wiki.answers.com/Q/What_year_did_Hans_and_Zacharias_Jansse...
by a frog
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Source: http://wiki.answers.com/Q/How_was_Zacharias_and_Hans_Janssens_wor...
