This gyroscope appears to have first been produced in 1911 although 1917 is often quoted. Originally it was made by as a Hurst manufacturing and later made by Chandler manufacturing, under the name of 'Chandler gyroscope'. In the first half of the 20th century they were widely found in the 'five and dime' stores across America. In 1982 the product was purchased by Tedco. The look has remained unchanged and has been a classic educational toy for generations. It continues to fascinate young and old alike with its mysterious force that seems to defy gravity. Whether you just want to have hours of fun with it just as a toy or whether you want to learn more about physics/science of gyroscopes.
To compare the all the gyroscopes on the website visit this page
With each Tedco 'Original' gyroscope you get:
The Gyroscope, Pedestal/tower, Pull string ,Clear plastic cube to store and display
your gyroscope, Complete set of instructions
Note: Some people notice a small break in one of the outer rings.
It is a "butt" joint, where the two ends butted together. It serves two purposes,
it aids assembly and also allows for a minor degree of adjustment.
The design is basically about 100 years old now.