 Nyorai kupfuurira kweiyi ndima - Delettrez naAchille Brocot, mwanakomana womugadziri wewachi anoremekedzwa Louis-Gabriel Brocot, vakatanga kambani yewachi Brocot et Delettrez muParis musi wa20 October 1851, ine zvivako pa 62 Rue Charlot. Delettrez akashanda achitsigirana naAchille Brocot kwemakore anoverengeka uye mashandiro avo emawachi anoonekwa seanoshanda kwazvo akagadzirwa mukupera kwezana ramakore rechi19. Nyanzvi yavo yaive mawadhi akavakirwa pane zvitsva zvaBrocot père nemumwe mwanakomana wake Antoine, asi kazhinji yeyakagadziriswa yekutanga dhizaini yaAchille, mamwe aine yakasarudzika ruoko-rumwe ruoko-rwekubuda kwemaviri, mamwe aine tembiricha-yakadzoserwa pendulum, mamwe aine madhivha maviri, imwe yacho yairatidza nguva uye imwe yacho yairatidza karenda uye kazhinji rumwe ruzivo senge zvikamu zvemwedzi, nguva dzekubuda kwezuva zuva rekuvira muParis, nezvimwewo. Iyo femu yakapihwa mubairo wekutanga kirasi kuParis World Expositionra1857 nokuda kwewachi yokutengesa yorudzi urwu. 