000 00334 a2200109 4500
080 _a617.75
_bT 242 K
245 1 _aKey to sight testing
_bA supplement to the practical optician's guide
_cby H.L. Taylor and W.S. Baxter
260 _aBirmingham
_c1902
650 _aSight Testing
100 1 _aTaylor, H.L., Baxter, W.S.
_d
901 _a14830
999 _c39314
_d39314