<prompt> Carlsfelder concertina inhengo yemhuri yeGerman concertina yakagadzirwa naCarl F. Zimmerman, yakavakirwa pane yekutanga Chemnitzer concertina yaCarl Friedrich Uhlig. Zimmerman, akaberekerwa muCarsfeld, Saxony, akazivisa chiridzwa chake pa 1849 Industrial Exhibition muParis, pa 1851 London Industrial Exhibition, uye pa 1853 Exhibition of the Industry of All Nations  <response>: muNew York. Zimmerman akawedzera pa Uhligs early 1- and 2-row square concertinas, achigadzira 3-row chromatic bisonoric chiridzwa, pakupedzisira achitengesa bhizinesi rake kumugadziri wezviridzwa Ernst Louis Arnold uye achienda kuUnited States, kwaakazova nemukurumbira nokuda kwechiridzwa chake chemutambo, autoharp. 