Watch

my number. ‘Each member of the New York Stock Exchange has a number. When it is desired to call a broker: from the floor of the exchange his number is made by means of an electrical device to appear on an annunciator on the wall of the board room. If a broker has occasion to leave the room he reqitests some fellow-broker to “watch my number” in order that he may be apprised on his return if he has been called for.