Smithsonian Contributions to Knowledge, Volumen13

April August aurora Baffin Bay Bellot Straits BOARD THE YACHT Chron cº cº cºl cºn copper cºq cºq cºq Dawn Dip reduced Dip when loaded diurnal diurnal variation dovekies dusk Ellicottville Fahr February fg"I Girard College horizontal force Hour angle hourly inches January July July 20 June Latitude łº Longitude Magnetic declination March maxima and minima Midn’t month monthly mean Moon's Needle Noon º º º ż observations October Of"I ºff ºſ Philadelphia Polaris Port Kennedy readings Relative total Rensselaer Harbor Š Š ſă ſå ſå scale divisions ſë ſë seen September shot ſº Šż Temp temperature values wind winter YACHT Fox Ź Ś Ź ż Ź Ś ż Ź ż Zg"I ZI"I żż ZZ"I Þ Þ Æ Þ Þ Þ