The following text may have been generated by Optical Character Recognition, with varying degrees of accuracy. Reader beware!

ANNOUNCES AN OUTSTANDING IMPROVEMENT Inherent structural strength, resiliency and porosity are among the many desirable characteristics of the New Exide Mipor Separator. It is not affected by high temperatures or severe vibration under adverse operating conditions. “‘Mipor’’ (Reg. U. S. Patent Office) is derived from the word “Microporous,” descriptive of its almost infinitesimal pores. New Exide Mipor Separator. . The Permanent Storage Battery Plate Insulator Since the middle of the nineteenth century, scientists and storage battery engineers have been searching for a separator material that acts as a permanent electrical insulator, while permitting a free and uninterrupted diffusion of electrolyte. A material of uniform structure and strength, with the necessary mechanical qualities to with- stand severe vibration and rough conditions of service to which a battery is often subjected. A material unaffected by either electrolyte or ex- cessive battery temperatures. Exhaustive tests, in the laboratory and the field, have proved that this long-sought-for material has been found in Exide Mipor. Exide-Ironclad Batteries for marine and elec- tric industrial truck service are now equipped with this revolutionary new separator — Exide Mipor. It is a development of the most over- whelming significance in storage batteries — the most important since 1910, when the Exide- Ironclad Battery was introduced. ‘4 MARINE REvIEw—September, 1934