Negatives of workers at an unknown location operating a Redington Counting Machine, photographer unknown (INGOT 40)

Four negative strips containing images to be considered for use in an issue of INGOT magazine. Taken by an unknown photographer on behalf of Richard, Thomas & Baldwins Ltd. Includes twelve images of workers at an unknown location operating a Redington Counting Machine or images of the machines on their own. One of the images, showing a man in overalls operating the machine, is published (INGOT 40) but the date of issue is unknown