60m/m判間接写真の観察視角に就て
1954 年 10 巻 3-4 号 p. 72-76
詳細
1954 年 10 巻 3-4 号 p. 72-76
Recently the 60m/m indirect Radiography has been used so much, for so minute and accurate observation has become easier by 60m/m photography observation than by 35m/m. The anther studied a faculty limit of the mechaniem of this photography observation from the point of view of a visual angle and reports that the 35m/m-60m/m observating apparatus having been used till now isn't so good.
