Hi AllI went to school for the blind in the 1960s! We learned basic mathamatics or sums on a type of plastic tray into which metal numbers were inserted in to holes like a grid. There was a tray on the side of the frame to hold these metal numbers. I know there were also metal trays. I recall the plastic ones being brown and I think the tray was a light colour. Now I am looking for photographs of these along with photographs of a braille handframe and stylus, a stainsby and a perkins brailler. Wonder if someone like George on list can assist here or someone else who is sighted and might know wht I am talking about. Thanks in advance.Again I am happy for people to e-mail me off list.
Eleanor
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