Advertising & Coin-Op
Thu, Apr 10, 2025 12:00PM EDT
![[SCIENTIFIC INSTRUMENT]. “Waltenhofen's Pendulum" Electro-M...](https://s1.img.bidsquare.com/item/xl/3506/35062082.jpeg?t=1VNF7v)
Lot 568
[SCIENTIFIC INSTRUMENT]. “Waltenhofen's Pendulum" Electro-M...
Estimate: $150 - $300
Bid Increments
| Price | Bid Increment |
|---|---|
| $0 | $5 |
| $30 | $10 |
| $100 | $25 |
| $500 | $50 |
| $1,000 | $100 |
| $2,000 | $200 |
| $5,000 | $500 |
| $10,000 | $1,000 |
| $20,000 | $2,000 |
| $50,000 | $5,000 |
| $100,000 | $10,000 |
[SCIENTIFIC INSTRUMENT]. ?Waltenhofen's Pendulum" Electro-Magnetic Pendulum Machine to Demonstrate Eddys in Magnetic Fields. Chicago: Milvan Scientific Instruments for Chicago Apparatus Company, [ca. 20th century]. Two copper coils mounted onto a wooden base, beneath a metal frame with copper pendulum dangling between the coils. Pendulum moves smoothly between coils. Untested. 14 ?" high. Some wear, soiling. Very good.
