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Drinking Bird

A rather dumb looking 6" bird with a felt covered head and has plastic feet. Worse, he cannot get his fill of water. You buy the drinks. Fluid inside condenses from the evaporative cooling of the water off the bird's beak, making it top heavy and dunking it back into the water. The condensate rejoins the liquid pool in the bird's bulb, and he tips up again. Process continues indefinitely. It works, but it's not any more than moderately well made, and not any more than moderately priced. WARNING! The fluid and dye inside the bird can permanently stain, and the bird's glass body can easily be broken. Children are fascinated by the bobbing bird, and the educational possibilities are great. But they should watch it, not fondle it!!

on sale 3808 DRINKING BIRD
$4.50 EACH (was $5.25)

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Glorious Steam Stationary Plants...

Build a real head of live steam in the boiler, ease the throttle open and watch the engine take off. The stationary steam plants have nickel plated brass horizontal boiler, water gauge, whistle, safety valve, throttle, 3" dia flywheel and power takeoff pulley. Our dry pellet fuel model (includes 20 fuel pellets) has a single action horizontal piston engine and comes as a kit. It requires about 2 hours to assemble and mount on its roughly 7" sq base, using simple tools like pliers and screwdriver. Assembly adds to the fun and cuts the price! All parts of each are precision metal, plated or enameled as appropriate. Select a small DC motor that will operate as a generator from our catalogs and see if you can become a 19th century electric utility!! Requires light assembly. Ages 10 and up. Add a box of (20) extra fuel pellets for even more hours of enjoyment!

42324 EXTRA FUEL PELLETS
$7.95 EACH
72202 STEAM ENGINE KIT
$127.95 EACH

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Radiometer

Another oldie but goodie. 5" high evacuated clear glass stand 3" in diameter at the top. A four bladed vane is balanced on a needle inside the sphere. Because opposite surfaces of the vanes are black and white, incident radiant energy is absorbed or reflected to a different degree. The result is a spinning vane. The brighter the light, the faster it spins. Simple, but compelling. Brief explanatory instruction sheet included.

on sale 3817 RADIOMETER
$9.50 EACH (was $10.95)

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Steam Tape

Looks like ordinary masking tape, 1" wide x 60 yards, but made by Steris® Corp for use in autoclaves. Sticks tight, removes easily, is imbedded with cross-wise stripes that become visible when the steam temperature reaches 121°C (250°F), and permanent marker won't, they say, bleed or smear on it. Great stuff for medical or lab use, but also handy if you're repainting the sauna. (Or anything else. Looks just like everyday masking tape and costs less, despite it's hidden talents.) Made in the USA.

37665 STERIS TAPE
$1.95 EACH

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