Signals at Hull in the day Time

When a Ship appears in the Bay hoist the large blue Flag

if a Snow the union Flag

if a Brig the Pendant

Should three Topsail Vessells appear then hoist the blue Flagg union Flag & pendant one above the other, the Pendant uppermost

For two Topsail Vessells two Flaggs

if more than three Topsail Vessells appear, and under 20 fire one Gun, (the muzzle pointed towards the Castle) and hoist the two flaggs & pendant, the pendant lowermost, and repeat the firing every 4 minits till the Signals are answerd at the Castle —

upon discovery of 20 or more Topsail Vessells, Hoist a large blue Flag upermost, the Pendant next and the union Flag lowermost, and fire two Cannon at one minits distance, if the Signal be not answerd at the Castle by the Flaggs & pendant and firing in 5 minits, then fire 3 Cannon, at one minits distance, (the muzzles pointed towds the Castle) — When you are answerd at the Castle, you are to hall down your Signals. As soon as you discover the Vessels to be French Vessells you are to hoist St Georges Ensign & keep it flying till the same Signal is hoisted at the Castle —

upon a discovery of the Enimy in the Night the alarm is to be given at Hull, by firing one Cannon, & three Rocketts successively and if the same Signal is not answered at the Castle in 6 minits repeat the firing & throwing the rocketts till as aforesd every 6 minits until answerd at the Castle —

The Castle is to answer the Signals given at Hull in every respect, & repeat them until they are answerd at Boston on Fort Hill and not to Salute any Vessell comeing in, except Continental armd Vessels; armd Vessels belonging to this, or to either of the united States; and french Vessels, none of them, with more than 13 Guns, always observing to discharge two less, than the Vessell discharges, for which purpose Guns are to be plantd on the West end of the Island to Salute with —

if the alarm is to be general in the Night, then the Beacon is to be fired at Boston by order of Council and an express sent to Stoughton to fire the Beacon there,

if a Fleet consisting of 20 Sail or upward of Topsail Vessels is discoverd at Cape Ann, an express to be forwrdd to the Council the like at Marble head — Plymouth, or Barnstable — and Copys of these Signals to be sent to Hull, Castle Island, Fort Hill, The Select men of Boston, Salem & Plymouth & Glouster & Barnstable —

In Council [Boston] Sept 10t 1777