Field testing of the FRI methanometer is in progress at D.N.C colliery. This work was undertaken to investigate the reliability of the instruments and to train personnel to operate and service them before any extensive study should be started if the occurrence of methane in South African collieries.
Reference:
Meintjies, A. 1968. The FRI recording methanometer - Field trails. http://hdl.handle.net/10204/12866 .
Meintjies, A. (1968). The FRI recording methanometer - Field trails Retrieved from http://hdl.handle.net/10204/12866
Meintjies, AA The FRI recording methanometer - Field trails. 1968. http://hdl.handle.net/10204/12866
Meintjies A. The FRI recording methanometer - Field trails. 1968 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/12866
