| 摘要 |
466,312. Batteries. PEARSON, J. June 11, 1936, No. 16272. [Class 53] A storage battery is provided with a glass container a having ar interrupted screw thread b with which cor responding projection, on an insulating cover c engage. The electrodes d are supported on and separated by a member h which has a sump j to receive sediment and an opening k in which a plug l fits and supports a glass tube m enclosing a hydrometer n. Electrolyte has access to the tube m through openings m<1> and the hydrometer scale o is marked on ' the container a. The latter may be provided with a flange a<2> for a carrier and a seal q may be provided for the cover. Gases evolved in the battery escape through a vent hole r. Specification 221,046, [Class 53], is referred to. |
