08/14/1917
https://www.presidency.ucsb.edu...
"These developments have made the tubes practically obsolete, quite unnecessary, and, in fact, a hindrance to the efficient operation of the postal service."
"During such breakdowns they cease operation for hours and for even days together."
"I am taking the liberty of returning H.R. 7237, making appropriations for the service of the Post Office Department for the fiscal year ending June 30, 1919, and for other purposes, without my signatu..."
"These reasons seeming to me conclusive and compelling, I have not felt the liberty to acquiesce in this feature of the bill, which I herewith return."