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Single Contact Morse Code Key Base_Octagonal Eight 15 x 10 x

SKU 8876987847
4.4
Single Contact Morse Code Key Base_Octagonal Eight 15 x 10 x
Single Contact Morse Code Key Base_Octagonal Eight 15 x 10 x
Single Contact Morse Code Key Base_Octagonal Eight 15 x 10 x
Single Contact Morse Code Key Base_Octagonal Eight 15 x 10 x
Description

Eight 15 x 10 x 10cm pinhole boxes

showing the hexagonal bonding within each layer and the weak bonding between layers

including sp3

Eight aluminum-shank tuning forks tuned to scientific pitch (C4 = 256Hz) and ranging from 5 9/16 to 7 1/8 inches

supporting up to three pendulums simultaneously for harmonic-motion work

Single Contact Morse Code Key Base_Octagonal Eight 15 x 10 xPlated spring arm with press knob and a single contact stud, configured to make and break a circuit at the rhythm of a Morse code transmission for telegraph history demonstrations.

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