Description
Eight 15 x 10 x 10cm pinhole boxes
showing the hexagonal bonding within each layer and the weak bonding between layers
Plated spring arm with press knob and a single contact stud
providing a quick swap-in reference for general-purpose AC-circuit and timing-experiment 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.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























