Note (Back) — PACIFIC DEPARTMENT.
Reading edition
One steam-boat would perform this work, giving two mails each month; at sea each voyage 12 days[16] = 24 monthly = 288 yearly. Coals, 25 tons daily = 7200 tons yearly, at 40s., 14,400l. Other charges, 6820l.—together 21,220l. per annum.