Ritchie's illustrated catalogue of philosophical instruments and school apparatus.
Edward S. Ritchie & Sons.
Ritchie's illustrated catalogue of philosophical instruments and school apparatus. - Boston : [Ritchie, 1866?] - 6, 57 p. ; ill. ; 24 cm.
ca 05002389
Physical instruments--Catalogs.
AC901 / .D7 box 60, no. 15
Ritchie's illustrated catalogue of philosophical instruments and school apparatus. - Boston : [Ritchie, 1866?] - 6, 57 p. ; ill. ; 24 cm.
ca 05002389
Physical instruments--Catalogs.
AC901 / .D7 box 60, no. 15