The Least Degree of Illumination required in japanese, Chinese and other European Letter Reading

Journal of the Illuminating Engineering Institute of Japan

Online ISSN : 2185-1506
Print ISSN : 0019-2341
ISSN-L : 0019-2341

The Least Degree of Illumination required in japanese, Chinese and other European Letter Reading

A. Kawahata

Author information

JOURNAL FREE ACCESS

1937 Volume 21 Issue 1 Pages 5-18

DOI https://doi.org/10.2150/jieij1917.21.5

Details

Article 1st page

Content from these authors

© The Illuminating Engineering Institute of Japan

Favorites & Alerts

Related articles

Recently viewed articles

Capacitor-less LDR based on flipped voltage follower with dual-feedback loops
Soft X-ray Absorption Spectroscopy of Liquids for Understanding Chemical Processes in Solution
A Study on Residents Use of Unused Publicly Land by Adopt-program
Preface to the Special Issue on “Micro/Nano Medical Devices”
Investigation of the physician response to extreme values report for hyperkalemia: Practical cooperation with outpatient service

Successor

JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN

Top