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crystal-earphone-piezoelectric-with-plug
CH905MP
The most sensitive earphones available.
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From $2.90 /unit
crystal-radio-kit-parts
CRYRADKIT
Explore AM radio with a hands-on Crystal Radio Kit.
From $12 /unit
glass-prism-with-plastic-stand
GPRISMPS
Convenient prism for teaching light spectrum physics and experiments.
options
From $15 /unit
glass-prism-equilateral-length-50-mm-face-25mm
GPRISM50
Optical triangular tool for light refraction experiments.
options
From $7.50 /unit
piezoelectric-earphonescrystal-earphones
CH905ST
Ultra-sensitive earphones with 20K ohm impedance and 57 dB sensitivity.
options
From $2.75 /unit
crystal-earphone-piezoelectric-with-plug
Crystal Earphone (Piezoelectric) With Plug
The most sensitive earphones available.
Add to Cart
$4.87 - $290
SKU: CH905MP
crystal-radio-kit-parts
Crystal Radio Kit Parts
Explore AM radio with a hands-on Crystal Radio Kit.
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$17 - $1200
SKU: CRYRADKIT
glass-prism-with-plastic-stand
Glass Prism With Plastic Stand
Convenient prism for teaching light spectrum physics and experiments.
Add to Cart
$15
SKU: GPRISMPS
glass-prism-equilateral-length-50-mm-face-25mm
Glass Prism, Equilateral (Length 50 Mm, Face 25Mm)
Optical triangular tool for light refraction experiments.
Add to Cart
$7.50
SKU: GPRISM50
piezoelectric-earphonescrystal-earphones
Piezoelectric Earphones/Crystal Earphones
Ultra-sensitive earphones with 20K ohm impedance and 57 dB sensitivity.
Add to Cart
$4 - $275
SKU: CH905ST
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