436
THE POPULAR SCIENCE MONTHLY.
WEST JERSEY RAILROAD COMPANY.
Camden, January 19, 1883.
EXAMINATION OF SIGHT AND HEARING OF
James A. Morris, aged twenty-two, employed as Locomotive Fireman, Applicant for
acuteness of vision. | range of vision. | |||
The number of the series seen at twenty feet distant. | Least number of inches at which type D—0,5. in test-type pamphlet can be read. | Right eye, 4¼ inches. |
Left eye, 4¼ inches. | |
Right eye | 20-30 | field of vision. | ||
Left eye | 20-30 | Good or defective | Good |
Color-Sense | ||
Test-skein established | Name given | numbers selected to match. |
A—Green | Green. | 3, 26, 24, 7, 11, 22, 15, 5, 1, 17, 28, 9, 19, 30, 13. |
B—Rose | Red. | 37, 33, 29, 12, 39, 31, 21, 35, 25, 27, 23. |
C—Red | Red. | 37, 33, 31, 35, 23. |
second color test. | third color test. | ||||
Number shown. | Name given. | Numbers se- lected. |
Flag shown. | Name and use given. |
Numbers se- lected. |
Soiled | Safety, | ||||
24 | Green. | 26, 22 | White | White | 2, 4, 6. |
39 | Yellow red. | Could find no match. | Soiled | Caution, | |
30 | Blue. | 26. | Soiled | Danger, | |
Red. | Red. | 37, 33, 31. |
Selection prompt or hesitating: | |||
Hearing. | |||
right ear. | left ear. | ||
Watch. | Conversation. | Watch. | Conversation. |
8 feet. | 20 feet. | 8 feet. | 20 feet. |
Remarks: | |||
Escaping steam prevented watch-test. | |||
J. J. Burleigh, Examiner. | |||
Acuteness,right eye defective.Range, good.Field, good.Color-sense, defective. | |||
Hearing, see Remarks. | JOS. CRAWFORD, Superintendent. | ||
Note.—Those approved marked "Appd." Those not approved marked "Not appd." |
Fac-slmile of one of the blanks.
and intensity, and the degree of color-defect measured by means of the ratios that exist between the sizes of the openings transmitting the colored light and the distances at which the man may be placed; the small opening which should be seen by the normal eye at five metres distant, is in diameter one millimetre, while the largest, twenty millimetres, when used at live metres, if not recognized, shows 1⁄20 of color-