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Supertek


Save on Supertek products at In The National Interest. Hurry! Limited time offers. Offers valid only while supplies last.



Tuning Fork, Superior Quality, Musical Set of 8 Includes: ''C'' 261.6 Hz, 293.7 ''D'', 329.6 ''E'', 349.2 ''F'', 392 ''G'', 440 ''A'', 493.9 ''B'' and 523.2 ''C''
Tuning Fork, Superior Quality, Musical Set of 8 Includes: "C" 261.6 Hz, 293.7 "D", 329.6 "E", 349.2 "F", 392 "G", 440 "A", 493.9 "B" and 523.2 "C"
In Stock
$42.99

mpn: PH36128, ean: 0656727852592,

Tuning Fork, Superior Quality, Musical Set of 8 Includes: "C" 261.6 Hz, 293.7 "D", 329.6 "E", 349.2 "F", 392 "G", 440 "A", 493.9 "B" and 523.2 "C" The 440 Hz "A" is the most commonly used standard for Orchestral Tuning. The set is tuned to correspond...


Randomly Oscillating Magnetic Pendulum (R.O.M.P.)
Randomly Oscillating Magnetic Pendulum (R.O.M.P.)
In Stock
$28.99

mpn: 43237-2, ean: 0656727852615,

Magnetic Pendulum. Once set in motion, the pendulum moves in apparently random ways as it is alternatively attracted and repelled by the magnets attached to the enameled cast iron base. Entertaining as a desk toy. The device is also useful as an educ...


Ten Specimen Density Set (Ten piece/cube/block)
Ten Specimen Density Set (Ten piece/cube/block)
In Stock
$28.99

mpn: PH10040, ean: 0656727850000,

A set of 10 one-inch density cubes in a storage box. Materials included are: Acrylic, Aluminum, Brass, Copper, Iron, Nylon, Maple, Pine, Poplar, and PVC.1" Cubes include: Acrylic, Aluminum, Brass, Copper, Iron, Nylon, Maple, Pine, Poplar, and PVC.. C...



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