14. An apparatus as defined in claim 13 wherein said supporting means comprises a generally flat sheet of transparent material, whereby said optical means may be supported thereon and moved about the surface of said generally flat sheet for viewing said material at a reduced size, and whereby said reading material is able to be viewed through said sheet to facilitate positioning of said optical means.
14. An apparatus as defined in claim 13 wherein said supporting means comprises a generally flat sheet of transparent material, whereby said optical means may be supported thereon and moved about the surface of said generally flat sheet for viewing said material at a reduced size, and whereby said reading material is able to be viewed through said sheet to facilitate positioning of said optical means. 15. An apparatus as defined in claim 14 wherein said adjustment means comprises elastomeric retainers adapted to cooperate with said spacing means for holding said receiving and supporting means in a desired position.