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Choosing and Using a Dobsonian Telescope
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Choosing and Using a Dobsonian Telescope

In the 1960's, American amateur astronomer, John Dobson, designed a revolutionary kind of astronomical telescope featuring a lightweight large-aperture reflecting system on a simple mounting, using the then-revolutionary material called teflon.
Kirjailija
Neil English
Painos
2011 ed.
ISBN
9781441987853
Kieli
englanti
Paino
310 grammaa
Julkaisupäivä
25.7.2011
Sivumäärä
232