Alexander J T, Nastuk W L
J Appl Physiol. 1975 Dec;39(6):1041-2. doi: 10.1152/jappl.1975.39.6.1041.
A dipping cone attachment for use with a long-working-distance objective is described. The device eliminates degradation of the microscope image which occurs when microelectrodes are applied to single muscle fibers in vitro.