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Cover image for Size of letters required for visibility as a function of viewing distance and observer visual acuity

Size of letters required for visibility as a function of viewing distance and observer visual acuity

Location Call # Status
Joyner - Microforms B300 C 13.46:1180 ✔ Available
Cover image for Emergency vehicle warning systems

Emergency vehicle warning systems

Location Call # Status
Joyner - Fed Docs Stacks C 13.10:480-37 ✔ Available
Cover image for Some psychophysical tests of the conspicuities of emergency vehicle warning lights

Some psychophysical tests of the conspicuities of emergency vehicle warning lights

Location Call # Status
Joyner - Fed Docs Stacks C 13.10:480-36 ✔ Available
Cover image for Emergency vehicle warning lights

Emergency vehicle warning lights

Location Call # Status
Joyner - Fed Docs Stacks C13.10:480-16 ✔ Available