EXPEDITION TO POINT HARROW, ALASKA. 17 



vat ions; fifty volumes, Form J, for copy of original record; I line hundred star charts, for auroras, 

 Ke.; one hundred forms lor comparison of barometers; ci^lil hundred fonns lor anemometer 

 register. 



KOO/.-.V. Instructions to Observers, Signal Service, U.S. Army: Annual Reports of the Chi,.f 

 Signal Officer, from 1ST:! to 1SSO, inclusive; Loomis's Treatise on Meteorology : p.m-han's Handy 

 Book of .Meteorology ; Kiimtz's Meteorology (Walker's translation); Molm's Meteorology (original 

 German); Schmid's .Meteorology (original Herman): Smithsonian Instructions for register of 

 lieriodical phenomena ; Smitlisonian Miscellaneous Collections, Vol. I ; (iuyot's Meteorological and 

 Physical Tables: ('relic's Multiplication Tables; Blanford's Indian Meteorologist's Yade Mecum, 

 Parts I, If, HI ; Loomis's Practical Astronomy ; Church's Trigonometry: Chain-end's Practical 

 Astronomy; Bowditch's Navigator ; Bowditclfs Useful Tables; Lee's Collection of Tables and 

 Formula; American Nautical Almanac for 1881, 1882, and 188.'!: Admiralty Manual of Scientific 

 Inquiry, 4th ed. ; Admiralty Manual and Instructions for Arctic Expedition, is;.". : Nare.s'-. \c .. 

 Reports of English Arctic Expedition ; Narcs's Narrative of Voyage to Polar Sea. London, I- 

 Dall's Meteorology of Alaska from Pacific Coast Pilot, United States- Coast Sm\e\ : i) ;1 ll'> 1;.-- 

 Kourc.es of Alaska ; Harkuess on Sextants, United States Naval Observatory, observations for 

 18;9, Appendix 1, pages 51 too? ; Charts, United States Hydrographic Office, No. <!8, and British 

 Admiralty, Nos. 59.'?, -'1IJ4, 1*435: Chambers's Descriptive Astronomy : Bremiker's edition of V. , 

 Logarithmic Tables : P>arlo\v's Tables; \V. S. Harris's Kudimentary Magnetism: Coast Survey 

 1'apers on Time, Latitude, Longitude, Magnetics, and Tidal Observations; Everett's Translation ot 

 Deschanel ; Jenkin ICIectrieity and Magnetism, 4th ed., New York, 1879; Reports of the ("nited 

 States Fish Commission on Dredging; Sigsbee on Deep-Sea Sounding. &<. ( United States* , 

 Survey Report) ; Markham's Collection of Tapers Relating to Arctic Geography, London, ]s77 : 

 Schott's Reduction of Observations of Hayes and Sonntag; Schott's Reduction of Observations 

 of Dr. Kaue; Schott's Reduction of Observations of McClintock ; Manual of Military Telegraphs: 

 Myer's Manual of Signals; J. R,. Capron, Aurora 1 : their characters and spectra; 1C. Walker, 

 Terrestrial and Cosmical Magnetism ; Pope's Modern Practice of the Electric. Telegraph; Instrue- 

 tious for the Expedition toward the North Pole, from Hon. George M. Robeson. Secretary of the 

 Navy; Suggestions Relative to Objects of Scientific Investigation in Russian America : stationery 

 as ordinarily supplied ; drawing paper and instruments. 



All officers and observers of the expedition are charged to at once familiarize themselves in 

 detail with these instructions, and in the practice of the duties they prescribe, together with a 

 thorough knowledge of the instruments and their use ; and commanding officers are specially 

 charged to see that these requirements are observed. 



Official memorandum to accompany instructions No. 7C. 



W. 15. I1AZEN, 

 Brigadier and Brcrct Major-Ucmral, 



Cli iff Signal Officer, I'. >'. Anny. 

 Official : 



Louis V. CAZIARC, 



Firxt L!> ttlcimnt, Second Artillery, Aeiiny Signal Officer, 

 II. Ex. 41 3 



