[DOC] [TLE] A complete microscope history - Who invented the microscope? [PAR] Dutch spetacle maker Zacharias Jansen made the first compound light 
microscope ... The same dispute applies to who invented the microscope. ... 
Although no Jansen microscopes survived, an instrument made for Dutch royalty 
was ... to make superior lenses, grinding and polishing five hundred and fifty 
lenses to make his... [DOC] [TLE] Hans and Zacharias Jansen - A complete microscope history [PAR] Microscope History: Two Dutch spectacle makers, Hans and Zacharias Jansen ... 
of a compound microscope, the accomplishment is dated around the 1590's, ... 
the Netherlands, not far from Hans Lippershey, another optical scientist who is 
also ... They put several lenses in a tube and made a very important discovery - 
the... [DOC] [TLE] Anton van Leeuwenhoek - History of the compound microscope [PAR] Anton van Leeuwenhoek (1632 - 1723) was a Dutch tradesman and scientist, 
best ... Basic in design, van Leeuwenhoek's instruments consisted of simple ... 
using more than one lens) of the type used today or in Zacharias Jansen's 
original ... Compound microscopes had been invented in the 1590s, nearly forty 
years before... [DOC] [TLE] Zacharias Janssen - Wikipedia [PAR] Zacharias Janssen (1585  pre-1632) was a Dutch spectacle-maker from 
Middelburg associated with the invention of the first optical telescope. ... Over the 
years there have been claims Zacharias Janssen invented the telescope ... with 
the invention of the single-lens (simple) optical microscope and the compound (2 
or more... [DOC] [TLE] Anton van Leeuwenhoek: Father of Microscopy and Microbiology ... [PAR] The first microscope to be developed was the optical microscope, although the ... 
was made in 1590 in Middelburg, Netherlands when two Dutch lens grinders 
Hans ... Zacharias Janssen is also believed to invent an early version of a 
telescope. [5] .... He also created at least 250 microscopes, of differing types, of 
which only... [DOC] [TLE] History of Microscopes - Microscope.com [PAR] 1590: Two Dutch spectacle-makers and father-and-son team, Hans and 
Zacharias ... Part of this was due to the discovery that combining two types of 
glass .... and invented or improved meteorological instruments such as the 
barometer, ... to experiment with new ways of grinding lenses in order to improve 
the optical quality. [DOC] [TLE] Who Invented the Microscope? - Live Science [PAR] Sep 13, 2013 ... Zacharias Janssen, credited with inventing the microscope. ... When the 
microscope was invented around 1590, suddenly we saw a ... Dutch scientist 
Antoine van Leeuwenhoek designed high-powered ... Single lens microscopes 
remained popular well into the 1830s, as all types of microscopes improved. [DOC] [TLE] Inventors and Inventions of Scientific Instruments ... [PAR] Inventors and Inventions of Scientific Instruments. ... This type of production 
greatly reduced the amount of time taken to put each car together (93 ... He 
invented the Bunsen burner for his research in isolating chemical substances ... 
Zacharias Janssen was a Dutch lens-maker who invented the first compound 
microscope in... [DOC] [TLE] Microscopes facts, information, pictures | Encyclopedia.com articles ... [PAR] Make research projects and school reports about Microscopes easy with credible 
... A microscope is an instrument used to produce enlarged images of small 
objects. ... An optical microscope with two lenses is known as a compound 
microscope. ... his son Zacharias Janssen, or Hans Lippershey, all of whom were 
Dutch... [DOC] [TLE] Microscope - New World Encyclopedia [PAR] Nov 7, 2011 ... This is an optical instrument containing one or more lenses that produce ... in 
1590, but this was a declaration by Zacharias Janssen himself halfway ... free 
time grinding his own lenses, improving the quality of his microscopes, ... The 
types commonly used today are the compound light microscope, stereo... [DOC] [TLE] WHEN WAS THE MICROSCOPE INVENTED  Optics & Binoculars [PAR] The definition of a microscope: An instrument for viewing objects that are too 
small to ... 1590  Dutch lens grinders Hans and Zacharias Janssen make the 
first ... There are many types of microscopes, the most common and first to be 
invented is the optical ... We research various sources

Question: 1590:Dutch lens grinder Zacharias Janssen invents a type of this optical research instrument
Answer: a microscope