International Radiotelegraphic Convention. Letter from the Acting Secretary of the Treasury, transmitting a copy of a communication from the Acting Secretary of State submitting an estimate of appropriation for the share of the United States, for the calendar year 1917, as a party to the International Radiotelegraphic Conventions heretofore signed, of the expenses of the radiotelegraphic service of the International Bureau of the Telegraphic Union at Bern, Switzerland.