Pedzisa mutsara unotevera: Zvisinei, nguva pfupi pashure pacho, akatamira kuParis, uko kwaiita sokuti kwaiva nemikana yakawanda yokutengesa. Zvisinei, panosvika 1806, akanga adzokera kuBerlin uko, pakati paOctober 1806 naDecember 1808, zvinhu zvakanga zvaoma zvikuru na
Uto rechiFrench rinopamba guta racho. Panguva iyi shamwari yaHumblot, Carl Friedrich Wilhelm Duncker, akanga achitungamirira bhizimisi rokubudisa mabhuku rakanga ravakwa naHeinrich Frölich. Frölich akanga atora Duncker somubetseri uye ipapo, mavhiki matanhatu chete gare gare, akafa kamwe kamwe muna March 1806. Duncker akapedza makore maviri akatevera achidzorera bhizimisi racho kumari, pasinei nokushora kusingazununguki kwechirikadzi yaFrölich. Muna 1808, Duncker akanyengetedza chirikadzi yaaichimboshandira kuti imutengese bhizimisi racho. Kuti aite izvi, aida mumwe munhu wokushanda naye, zvichida nokuda kwezvikonzero zvemari. Pana 1 January 1809, Duncker naHumblot vakatenga bhizimisi racho, vachibvumirana kugoverana purofiti uye kurasikirwa zvakaenzana. Bhizimisi racho rakatumidzwazve, iro zita raro iro rinoramba richitengeserana (2018).