<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Isethulo: Nakuba amaGreki namaRoma enza lukhulu ekuthuthukiseni ubuchwepheshe bamawashi amanzi, aqhubeka esebenzisa amawashi anemifanekiso. Ngokwesibonelo, kuthiwa isazi sezibalo nesazi sezinkanyezi uTheodosius waseBhithiniya wasungula iwashi elisebenza ngelanga elalinembile nomaphi eMhlabeni, nakuba kuncane okwaziwayo ngalo. Abanye babhala ngewashi elisebenza ngelanga ezibalweni nasezincwadini zaleso sikhathi. UMarcus Vitruvius Pollio, umbhali ongumRoma wencwadi ethi De Architectura, wabhala ngezibalo zama-gnomon, noma ama-sundial. Phakathi nokubusa koMbusi u-Augustus, amaRoma akha i-solarium Augusti, iwashi elikhulu kunawo wonke ake akhiwa. I-gnomon yayo kwakuyi-obelisk yaseHeliopolis. Ngokufanayo, i - obelisk yaseCampus Martius yayisetshenziswa njenge - gnomon yewashi lelanga lika - Augustus. UPliny the Elder ubhala ukuthi iwashi lokuqala elisebenza ngelanga eRoma lafika ngo-264 B.C., laphangwa eCatania, eSicily; ngokusho kwakhe, lalinikeza isikhathi esingalungile kwaze kwaba yilapho sekusetshenziswa izimpawu ne-angle efanelekile ye-latitude yaseRoma - ngemva kwekhulu leminyaka. Umbuzo: UTheodosius waseBhithiniya wayaziwa ngokuba yini?  <response>: isazi sezibalo nesazi sezinkanyezi 