Paul Vernon Thompson, 89, a retired government machinist and foreman, died Jan. 14 at his home in Silver Spring after a long illness.

Born in Washington, he started work as an apprentice machinist at the Navy Yard at the age of 17. He served in World War I as a naval officer on troop convoy duty.

In 1923, Mr. Thompson was appointed foreman of the Department of Agriculture's typewriter repair shop and invented a "washing" machine to clean typewriters.

At his retirement from government service in 1951, Mr. Thompson was head of the typewriter repair shop at the Government Services Administration.

He then worked for nine years as a machinest and die make for Nems-Clark, now part of Vitro Laboratories.

Mr. Thomason was active in the Masons. He was a member of Silver Spring Lodge No. 215 and had been tyler there for 25 years. He belonged to Royal Arch Chapter No. 38, King Solonom Council No. 13, Montgomery Council No. 13, Knights Templar, and Montgomery Forest No. 134 of the Tall Cedars of Lebanon.

He helped charter the Silver Spring chapter of the Order of the DeMolay. He was active in the National Association of Retired Federal Employees.

He is survived by his wife, Gladys E., of the home, two grandchildren and two great-grandchildren.