Published: December 25, 1949Received: -Released on J-STAGE: February 21, 2013Accepted: -
Advance online publication: -
Revised: -
Correction information
Date of correction: October 08, 2013Reason for correction: change of paginating methodCorrection: ArticleDetails: change of paginating method on the monthly journal from starting page 1 on each month to serial page number from January through December
Some apparutus were studied for handy measurement of the moisture of moulding sand, and the authors have succeeded in measuring the change of electric capacity of moulding sand by low frequency resonanced circuit.