...sets of wools being approved by the central authority before use, especially as to the correctness of the three test colours, and also of the confusion...are employed as signals or lights, and also white lights. " 5. That the tests for form should be those of Snellen ... It would probably, in most cases,...

...sets of wools being approved by the central authority before use, especially as to the correctness of the three test colours, and also of the confusion...colours which are employed as signals or lights, and alsowhite light. 5. That the tests for form should be those of Snellen, and that they should be carried...

...were the following: (4) That the test for color vision should be that of Holmgren. If the test lie satisfactorily passed, it should be followed by the...candidate being required to name without hesitation the colors which are employed as signals or lights and also white light. (6) That a candidate rejected...

...sets of wools being approved by the central authority before use, especially as to the correctness of the three test colours, and also of the confusion colours. If this test be satisfactorily passed, then the candidate should be required to name without hesitation...

...before use, especially as to the correctness of the three test colors, and also of the confusion colors. If the test be satisfactorily passed, it should be...candidate being required to name without hesitation the colors which are employed as signals or lights, and also white light." The other committee was appointed...