HMV 905 , Pre War Television 1938 , showing the EMI 405 line sytem

These are the first tests of the HMV-905 after restoration . The video shows it running on the EMI 405 line system , also the Radio working , and inside and under the television . The dark circle on the picture is a ion burn , which these small tubes are prone to due to the low 2.5kv eht . This is the first time the television has worked for over fifty years.