Nalane ea libethe tsa sepetlele ke efe?

Libethe tse nang le liporo tsa mahlakoreng tse feto-fetohang li ile tsa qala ho hlahaBrithaninako e itseng pakeng tsa 1815 le 1825.

Ka 1874 k'hamphani ea materase Andrew Wuest le Son, Cincinnati, Ohio, e ile ea ngolisa patent ea mofuta oa foreimi ea materase e nang le hlooho e nang le lihokelo tse ka phahamisoang, pele ho bethe ea sepetlele ea sejoale-joale.

Bethe ea sejoale-joale ea 3-segment e fetolehang ea sepetlele e qapiloe keWillis Dew Gatch, molula-setulo oa Lefapha la Opereishene hoSekolo sa Bongaka sa Univesithi ea Indiana, mathoasong a lekholo la bo20 la lilemo.Mofuta ona oa bethe ka linako tse ling o bitsoa Gatch Bed.

Bethe ea sejoale-joale ea likonopo tsa sepetlele e ile ea qaptjoa ka 1945, 'me qalong e ne e kenyelletsa ntloana e hahelletsoeng ka ts'epo ea ho felisa.bethe ea ho robala.