Antique rain king water sprinkler

This is an antique sprinkler
The company is called the sunbeam corp from Chicago.
The model is called the Rain King Model D7.
It's in excellent working condition and I'd in great shape antique wise. It's made of copper and cast iron. This is from the late 20s early 1930s. This next paragraph tells a little about the history of it.


The sprinkler, a "Rain King" model produced by the Chicago Flexible Shaft Company, bears a patent date of Jan. 8, 1925. The inventor of the Rain King, Mr. Finis E. Roach, received patents for at least five different types of sprinklers during the 1920s and 1930s. His Rain King sprinkler, which was actually in production for a few years before the patent was granted, was designed with the idea that the nozzles could be adjusted in order to produce different patterns of spraying water, depending on what was needed. An advertisement for the sprinkler boasted "Grass, flowers, shrubs, trees or seeded beds - Rain King will water each kind of growth with pre