| Object name: | primary and secondary coil. |
| Maker: | Daniel Davis Jr. |
| Serial / Maker's No: | |
| Patent Date / Patent No / Date of Manufacture: | 1840 - 1850 (Identified by Dr Thomas Greenslade) |
| Length: | 10" |
| Width/Depth: | 4" |
| Height: | 11.25" |
| Diameter: | seondary winding - 2", primary winding - 1" |
| Description: | A transformer built for teaching purposes with a removeable outer winding, . The primary is 2 layers of approx. 14 gauge wire wrapped on a slotted brass tube with a total of 230 turns and a resistance of .7 ohms. The secondary is about 10-12 layers of approx. 24 gauge wire with brass slotted endcaps and a total of roughly 2340 - 2800 turns and a resistance of 345 ohms. |
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