One contact sheet featuring images of testing and packing harmonicas titled 'Harmonicas for export'. Caption on back reads: 'Eight thousand harmonicas are made each week at an Enfield factory. The majority are for export'. Caption on back of top left image reads: 'Pat Cooper aged 22 who has been playing a mouth organ since he was seven has the job of [playing?] every harmonica which leaves the factory. [He?] is testing them. He plays over a thousand [each?] day'. Caption on back of top right image reads: 'Some of the harmonicas being packed for export'. Caption on back of bottom left image reads: 'One of the tuners tuning reed plates by means of 'squeeze box' which she operates with her knees'. Caption on back of bottom right image reads: 'Harmonica being tested by an [electric?] tester which makes it unnecessary for testing by the mouth'.