Spencer Heath
Baseball
Heath graduated from the Corcoran Scientific School in Washington, D.C., studying electrical and mechanical engineering. While working for the Navy Department he earned law degrees at National University Law School. In 1898 he married Johanna Maria Holm, a suffragist and friend of Susan B. Anthony. They had three daughters.\n', '
As a patent lawyer and engineering consultant his clients included Simon Lake, inventor of the even-keel-submerging submarine, and Emile Berliner, inventor of the flat-disk phonograph record. Heath helped Berliner design and build the first rotary engine blades used in helicopters. Heath founded the American Propeller Manufacturing Company in 1909 and developed and first mass-produced airplane propellers, including 70 percent of the propellers used by Americans in World War I. In 1922 he demonstrated the first engine-powered and controlled, variable and rever…
They come and go. We’ll email you the moment one lists.
🔔 Sign in to get an alert
ISO
Nobody has an ISO for Spencer Heath yet. Be the first.
What’s an ISO?
ISO means in search of. You post the autograph you want (who, what item, your budget), and sellers who can get it, or already have it, reach out to you. It’s free, and it’s how many collectors find pieces that never hit eBay.
In RACC collections
Pieces RACC members have put on show
No Spencer Heath drops yet. Be first to know when there is one. Drops are official signed merchandise that artists, record labels and official distributors release regularly, and they sell out fast.
Alerts come as one daily summary email, most popular first.
TTM
Nobody has logged a through-the-mail request to Spencer Heath yet. Be the first to log a TTM.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Terms of Service · Privacy Policy · Community Rules
© 2026 Real Autograph Collectors Club
