DEEP-SEA EXPLORATION. 
265 
(7) CbaTt-rooin (plate V): Immediately forward of the laboratory is the chart- 
room, 8 feet () inches in length, the full Avidth of the house. It has one door and 
window on each side and a skylight 3 by 3 feet above, drawers for charts, etc., a berth, 
washstand, lockers, bookshelves, and a transom sofa, which is also used as a chronom- 
eter chest. A door in the forward bulkhead gives access to the pilot-house. 
(8) Pilot-house: This is the next and last division of the deck-house. It is 8 I'cet 
in length, the full width of the house, and has one door on each side. The front is 
elliptical, Avith glass Avindows balanced by Aveights, and protected in bad Aveather by 
strong Avooden shutters hung in the same manner as the AvindoAvs and fitted Avith 
8-inch bull’s-eyes in the center. 
Cut 1. — luterioT of pilot-house, steam steering engine. 
The pilot-house is raised about 3 feet above the main deck and projects the same 
distance above the top of the house, Avith wliich it communicates by two AvindoAvs. 
Suitable bell jauIIs and speaking tubes fnrni.sh the necessary means of communication 
with the engine-room, and instead of the ordinary shiffs wheel a Higgin.son’s steam 
quartermaster is used. 
TopgaUant forecastle: The topgallant forecastle is 44 feet in length and 6 feet 3 
inches in height betAveen decks. On it are stoAved the anchors, which are handled by 
a single tish-davit amidsliips and a capstan Avhich can be Avorked by hand or by the 
steam Aviudlass directly underneath, ami just abaft the capstan is a 37 mm. Hotchkiss 
revolving cannon, mounted on a tripod. 
