[Western Electric Company Limited and the 'talkies'.] Printed envelope containing a 'strip of film' showing 'the sound record on the edge of the film'.

Both the 9 x 15 cm envelope and its contents in good condition. Printed on the front of the envelope: 'With the compliments of | Western Electric Company Limited | BUSH HOUSE, | ALDWYCH, LONDON, W.C. 2 | NOTE: The enclosed strip of film shows quite plainly the sound record on the edge of the film, the lines varying in frequency and density according to the pitch and volume of the sound.' The envelope contains three frames of 8 mm 'SAFETY FILM', showing spectators at a football match.