
If you're a science teacher, an amateur scientist, or a professional who likes to take his work home with him, you'll lust after this CD-ROM. The updated (v3.0) and expanded disk contains the "legacy of a century," the complete collection of The Amateur Scientist columns from Scientific American magazine, featuring Albert G. Ingalls, C.L. Strong, Jearl Walker, Forrest Mims, Shawn Carlson and others. It includes over 1,000 classic projects in various disciplines for hobbyists, students and science fair contestants, more than 1,000 pages of helpful techniques that never appeared in the magazine, plus Internet links to valuable scientific sites. Minimum requirements: Mac OS, Windows, Linux or UNIX. 64MB RAM minimum. Runs with any browser. An incredible resource. An Absolutely-Must-Have!
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92047 AMATEUR SCIENTIST CD 3.0 |
$29.95
EACH
Out of Stock. Check Back Soon! |
who's got the button? You do, which means you don't have to go the drugstore when your watch, calculator, camera, radio or nearly anything else stops. Be prepared for electronic quitters with this 30-pack of button cell batteries in the most popular sizes. Our each is (6) AG1, (6) AG3, (6) AG4, (3) AG5, (3) AG12, and (6) AG13 batteries. (Some devices may call these G1, G2, etc., or have other arcane codes for these same sizes.) Brand new!
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93241 ASST. BATTERIES |
This easy-to-read pressure gauge registers up to 30psi in .25psi increments. Measures 2" dia x 1" thick, screwed and glued into a 1-1/8" hex x 2-1/8" long chromed steel fitting with a 3/4" FPT port on one end and a Schrader valve with cap on the other. A person could separate the gauge from the fitting if so moved.
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40288 30 PSI PRESSURE GAUGE |
This is roller chain, which is also bicycle chain or belt and necklace material for your discriminating biker or heavy-metal guitar player. You get (3) 30" lengths of lightly greased #40 roller chain (1/2" center-to-center between links). Each length has a removable master link.
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40468 BIKE CHAIN |
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