Books "Star Testing Astronomical Telescopes" Hardcover Book by Suiter 2nd edition.
Many observers harbor misgivings about their telescope. The manufacturer may have guaranteed accuracy to one-quarter wavelength or as diffraction-limited but most telescope users have, at best, only a hazy idea of how to personally verifying such claims.
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| Adorama | $ 34.95 |
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$ 26.99
Social Engineering: The Art of Human Hacking Christopher Hadnagy Paperback
ISBN -13: 978-0470639535: Shipping Weight: 1.1 lbs: ISBN -10: 0470639539
$ 49.99
Bug Off Instant Screen Door with Magnetic Closure for a Single or Sliding Door, 48" W x 80" H
This portable screen mounts between a single or sliding door jamb in minutes. It opens down the middle for easy passage and is hel...
$ 18.39
New Era EK Ferzan Fedora
Style: 20527642,Color: Black/Blue,Made of 100% Polyester, Woven,Fedora,Structured Fit,Mid Crown,Normal Bill The EK label was deriv...
$ 1799.99
Ge - Profile Series 30" Built-in Gas Cooktop - Black-on-black
Analog controls; 4 sealed burners; 5,500-11,500 BTUs of heating; 3-speed downdraft exhaust fan; glass cooktop...