• Sandy Spring Area Schools Collection
• Notebook: Roger B. Farquhar, 1852-1853

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2 revisions Sep 25, 2023 thegaysianbooknerdJul 14, 2023 Sandy Spring Museum

thegaysianbooknerd at Sep 25, 2023 06:17 PM Page 84 Problem 13th As sine [?] GAF 88.30 [Ar 60?] 0.00015 x x x x Problem 13th As sine [?] GAF 88.30 [Ar 60?] 0.00015 x x x x Compared withSep 25, 2023 - thegaysianbooknerd Jul 14, 2023 - Sandy Spring Museum Page 84