SKU: 65980956138

Rare model of Nikola Tesla No. 30 "Tesla Thriller" hand crank electromagnetic shock generator (Early 1900's)

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Description

Rare model of Nikola Tesla No. 30 "Tesla Thriller" hand crank electromagnetic shock generator (Early 1900's)Very early 1900s Nikola Tesla No. 30 "Tesla Thriller" hand crank electromagnetic shock generator. (Similar one is displayed at the Spark Museum demonstrating early development of the electric motor). Designed by Nikola Tesla and produced by Kendrick and Davis (K&D). Rare piece of industrial history. (1st Qtr 20th Century.) Cast iron body with hand cranked electric generator that moves freely which in turn spins a flywheel generating a small

Very early 1900’s Nikola Tesla No. 30 "Tesla Thriller" hand crank electromagnetic shock generator. (Similar one is displayed at the Spark Museum demonstrating early development of the electric motor).

Designed by Nikola Tesla and produced by Kendrick and Davis (K&D).

Rare piece of industrial history. (1st Qtr 20th Century.)

Cast iron body with hand cranked electric generator that moves freely which in turn spins a flywheel generating a small alternating current. 

Cast iron and brass on wood base "Tesla" wood burned on to base. It is without wires or sheathing. Hand crank gears rotates smoothly with original hardware and handle.

3.25 x 4.25 x 3 inches.

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SKU: 65980956138

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4.5 ★★★★★
Based on 15 reviews
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Verified Purchase
Dana Kurtz
Pawtucket, US
★★★★★ 5
Durable, even for a Great Dane!
Color: Ultra, Size: XXL
I've bought many tennis ball sized ChuckIt balls in the past (for medium sized dogs we've owned), so when we knew we were going to be babysitting our daughter's Great Dane, I bought a bigger one for her. The 4" is perfect for her! She plays catch with it, but also likes to gnaw on it. It holds up great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
O
Verified Purchase
Ol' Hippie
Bozeman, US
★★★★★ 5
Another great product from Chuckit!
Color: Ultra, Size: XL
Exactly the high quality that I've come to expect from Chuckit! The plastic/rubber used in their products is extremely tough yet gives enough that it's hard to actually pierce the it and tear apart. We have had Chuckit! Sticks and Balls with launcher for years and love them all. This particular ball is pretty big so my 45 pound pit mix struggles to pick it up but that's part of the fun for him. My 85 pound pit mix can pick it up no problem. The only "complaint" is that the two of them have been having so much fun with their new ball, they have already knocked something over and broke it. 😁
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
C
Verified Purchase
Cristy L. Spencer
Lexington, US
★★★★★ 5
Perfect for my mid size pit bull
Color: Ultra, Size: XL
Updating my review, the ball only lasted 5 days. I left the 5 stars because we had enough fun those 5 days to be worth the small price. She has dog has a lot of jaw strength, so I’m not surprised We have a mid size foster pit bull. This ball is her favorite toy. It’s durable and the perfect size for her to play ball safely.
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Reviewed in the United States on February 22, 2026
C
Verified Purchase
cassidy y
West Palm Beach, US
★★★★★ 5
Good quality
Color: Ultra, Size: Large, Color: Ultra, Size: Large
Great quality. I purchased for my daughter’s dog who destroys all toys. This toy holds up. I didn’t realize it was a large and the chickit stick she had was a medium. The large ball ended up working out good for playing inside the house. The dog likes it a lot.
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Reviewed in the United States on May 3, 2026
M
Verified Purchase
Mindhealer
Los Angeles, US
★★★★★ 4
Please read!
Color: Ultra, Size: Large
This dog ball is so useful! We have a large property and we use the Chuckit! thrower with the ball. The color and material of the toy is very high-quality and lasts for a long time. We have been using the Chuckit! brand for a long time now and we love their dog products! It is a good price and we buy replacement balls like once or twice every 6 months because they keep getting lost in bushes or trees 😂 After some time the color of the ball gets washed out and since our dogs are aggressive chewers, one of the balls we got broke and split open, but it was still usable! The reason that one broke is because we had it for a HECKA LONG TIME! It has no squeaker so when your dog has the ball it wont make any loud and annoying sounds. It is easy to pick up with the thrower and it seems durable and sturdy enough to last them a few months. I don't recommend as a cat toy because this ball is specifically designed for dogs. But is your cat likes fetch i guess it could work! The ball is soft enough to not be hard as steel, but is sturdy enough to not break immediately.
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Reviewed in the United States on August 9, 2025

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