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Results for "Tonkin, Stephen"
Tonkin, Stephen
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Overview :
Many amateur astronomers make their own instruments, either because of financial considerations or because they are just interested. Amateur... Read More
$7.99
Overview :
Small telescopes have a lot to recommend them.Cost is of course a consideration, but their most positive feature is sheer portability. Some ... Read More
$11.43
Overview :
Because today's amateur astronomical telescopes are both powerful and affordable, spectroscopy - once the province of professionals - is bec... Read More
$9.99
Overview :
An increasing number of people are taking advantage of the relatively low prices of astronomical equipment. Many of these people are doing s... Read More
$5.99
Overview :
Includes a link to freely downloadable higher resolution colour charts that you may print out or display on your tablet or other device. For... Read More
$13.15
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