December 11th, 1899 letter from George Scherff to Nikola Tesla

New York, Dec. 11th, 1899
46 & 48 E. Houston Street

Nikola Tesla, Esq.,
Colorado Springs, Colo.

Dear Mr. Tesla:

Two new double focus tubes, with thick platinum targets, have been expressed today. The work of the shop is on the commutator, disk, switchboard, spark rods and other brass parts of the new oscillator.

The inclosed letter was received to-day.

Respectfully,
Geo. Scherff