(under subclass 256) Subject matter which includes means to touch the wall of the well, the means to support for movement suspending the means to touch the well and the means to detect radiation as a common unit within the well and methods corresponding to the apparatus.
SEE OR SEARCH CLASS
33, Geometrical Instruments,
783+, for opposed contact type measuring instruments.
73, Measuring and Testing,
152.17, for a formation logging device combined with detail of a borehole wall engaging means wherein the logging is made
by making a measurement which is not purely electrical or purely magnetic.
