The pulse of commerce between the Atlantic and Pacific coasts beat twice a month, a pace set by steamship departures. Every two weeks, “steamer day” sent San Francisco into a frenzy, as bankers prepared shipments of gold to New York houses, merchants called in debts to make payment to eastern suppliers, and everyone prepared letters and packages to mail to the “states.”33 When steamers were expected, all eyes watched the tower atop Telegraph Hill,
