Browse Items (763 total)

Raub_CompleteArithmetic_1877.jpg

Thomson_Key_Duodecimals_1852.jpg

Thomson_Key_1852.jpg

Ray_Arithmetic_CompoundNumbers_1857.jpg

Ray_Arithmetic_1857.jpg

Davies_Arithmetic_Object_1874.jpg

Greenleaf_CommonSchool_CoumpoundNumbers_1855.jpg

Lacroix_Trigonomety_Illustration_1820.jpg

Lacroix_Trigonomety_1820.jpg

Rousseau_McNairy.jpg

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