Water-charged battery. 2 terminals and cork on top. Black leatherette covering.
↑ / W.D. / Cell Inert / S Mark I / Catalogue Number: / WB. 0205 / S.B. / Month of Supply / MAR 12 / To render active / Remove cork and / vent plug. / Fill very slowly to / the brim once / with clean fresh / drinking water. / Do not fill up / again or shake / out surplus water. / If possible, wait for / eight hours before / using, keeping cell / in a vertical position / with vent and / filling holes open. / On bringing into / use, replace cork / and vent plug and / wipe off all surplus / moisture. Label
Battery, 1966.5.2. The Museum of Transport and Technology (MOTAT).