said by Inssomniak:
I have been in a few COs in these parts and seen the battery banks but they were not sealed batteries, they were liquid open batteries with the fluid in clear plexiglass or something clear, not sure but you could see thru them and they were big.
Perhaps you saw these type of clear rectangular jar
I only ask because I have never seen those cylindrical (glass?) cells with horizontal stacked plates in any Ontario or Quebec telecom facility. Our class was taken to AGT/EdTel facilities in Alberta way back in 1984 and I do not recall seeing them at that time either.
*** I do not want an argument with 54067323
or anyone else about this but I must mention that modern flooded cells use vertically mounted plates with some empty space underneath the plates for safety reasons. The casing is polycarbonate or polypropelyne for same reason.