File 1894 Box 12 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Records and Observational Data » Weather Records » Weather Signals
File Barograph and Thermograph Sheets In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Records and Observational Data » Weather Records
File 1880-1886 Box 25 (7 packets) In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Records and Observational Data » Weather Records » Barograph and Thermograph Sheets
File 1887-1890 Box 26 (4 packets) In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Records and Observational Data » Weather Records » Barograph and Thermograph Sheets
File Miscellaneous, (majority within 1884-1887) Box 26 (2 packets) In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Records and Observational Data » Weather Records » Barograph and Thermograph Sheets
File Observing Records for the Spotz-Ailtner Spectrograph [D.O. no. 129], 1970-1972 Box 26 (outsize, listed in Box 15) In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Records and Observational Data » Weather Records
File Log books In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Records and Observational Data
File Observing Books 37.5 in. In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Records and Observational Data » Log books
File No. 1 - No. 30 [D.O. no. 118], 1911-1933 30 volumes Box 13 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Records and Observational Data » Log books » Observing Books
File No. 31 - No. 59 [D.O. no. 118], 1933-1968 29 volumes Box 14 In: Detroit Observatory (University of Michigan) records, 1860-2004 (majority within 1994-2001) » Historical, 1860-2004 » Records and Observational Data » Log books » Observing Books