10 KXPliDITION TO POINT HAKKUW, ALASKA. 



VI. MEMORANDUM OP OUTFIT. 



LIST OF APPARATUS TO UK FURNISHED TO POINT HARROW, AND WITH SOJIE FACETI'lONS 



AND ADDITIONS TO LADY FRANKLIN BAY. 



(!!'.( IGRAFHICAL AND ASTRONOMICAL APPARATUS. 



One surveyor's compass and tripod ; one 100-fcet chain or steel tape; one prismatic compass; 

 one sot of pins; one altitude- and azimuth, 0-inch circles; one meridian transit, about '2 or 3 inches 

 aperture : two extra level tubes for low temperatures for meridian transit; three, sextants; three 

 artificial horizons; eight marine chronometers (mean time);* one marine chronometer (sidereal);* 

 two pocket chronometers (mean time);* one house (astronomical observatory), plan to be sup- 

 plied ; charts of the Alaska coast from the United States Coast and Geodetic Survey. 



Ma;/ net ic apparatus. One complete magnetometer Fauth & Co. unih'lar declinometer cat- 

 alogue No. 70, price $400, extra light needles and mirror for auroral disturbances; one Ke\v dip 

 circle, large size; one bitilar magnetometer; one magnetic observatory building. (See plan.) 



Tidal apparatus. One level and staff'; two pulleys and weight and float; fifty glass-Stoppered 

 bottles for specimens of sea- water. 



Pciididitin apparatus. Pendulum apparatus will be carried and used by a special temporary 

 party from the United States Coast and Geodetic Survey. 



[Deep sea sounding. Will be left to the United States Coast Survey.] 



Meteorological apparatus. One instrument shelter of open wooden louvre work, made in sec- 

 tions (see plan) ; one inner thermometer shelter of open galvanized iron louvre work, made in 

 sections (see plan); twelve mercurial thermometers, ordinary stem divided; two metallic thermom- 

 eters; twelve spirit thermometers, ordinary stem divided ; six mercurial thermometers, maximum 

 Ktein divided; six spirit thermometers, minimum stem divided; six special minimum thermometer.;:, 

 from Yale College; four psychrometers, mercurial, wet-bulb; one dew point apparatus; Kcgnault's 

 as modified by Alluard. with extra thermometers for low and high temperature; six water ther- 

 mometers and three cases, Signal Service pattern, for surface temperatuics: two pairs .Marie- 

 Davy's conjugate thermometers for solar radiation ; two pairs Violle's conjugate bulbs tor solar 

 radiation (will be sent next year) ; two Hicks's thermometers for terrestrial radiation (will be sent; 

 next year) ; two mercurial marine barometers; four mercurial cistern barometers (Green, Signal 

 Service pattern), large bore, reading to thousandths; three aneroid barometers (Casella's make); 

 two hair hygrometers; two self-registers, one double and one single, for anemometers and anem- 

 oscopes (Signal Service pattern Gibbon or Eccard) ; six extra attached thermometers lor ba- 

 rometers; six extra barometer tubes for barometers; four rain-gauges, two copper and two 

 galvanized iron ; six divided sticks for measuring rain and snow; ten pounds pure mercury: four 

 anemometers (Robinson's) ; four arms and cups and four spindles, for 1'obinson's anemometer, for 

 repairs; two vanes, small ; one large vane, complete ; one Eccard contact (interior); ten battery 

 cells (Eagle) and supplies for same for three years: two thousand yards insulated wire; foifr tele- 

 phones and two call bells; one galvanometer for obstruction of ground currents; one hundred 

 feet cable for the double self- register ; four box sounders; one delicate scale and one medicine 

 chest (from medical department); apparatus for collecting air and atmospheric dust: six dark 

 lanterns for observers' use (brass or copper). 



tfiynitl apparatus. Two Grngan's heliographs; four sets signal kits complete; six signal 

 code cards. 



Blank biiol-K and forms. Twelve diaries for 1881, 1882, and 1883. respectively, one to bo 

 kept by each man ; two hundred and fifty books for original record of meteorological observations; 

 lifty blank books for magnetic observations, allowing two pages daily ami extra pages on special 

 days; fifty blank books for daily journal, for miscellaneous observations ; twenty-live blank- hooks 

 for tidal observations, allowing one page, daily ; twenty-live blank books for astronomical obser- 



' If practicable th.M' v, :il In; rated at various tcmpurattirrs at tho Jlorological JjUix-au of the Observatory of 

 Vain C'ollrgc. 



