His interests were always wide and this is reflected in the range of courses that Weisbach was teaching around this time: descriptive geometry, crystallography, optics, mechanics and machine design.
Kanyang mga interes ay palaging malawak at ito ay reflected sa hanay ng mga kurso na Weisbach ay pagtuturo sa paligid ng mga oras na ito: naglalarawang geometry, crystallography, optika, mechanics at disenyo ng makina.