Subj : Battery Trivia To : MATT MC_CARTHY From : TOM WALKER Date : Sun Jun 12 2005 09:41 am MM> TW> Forst how many rembember the Old Home Battery operated Radios? My MM> TW> grandmothers Farm House i nMissoury still didn't have elctrical MM> TW> power in the 40's. Those Redios typicaly used more then one Battery. MM> TW> There was "A" batery, a "B" battery and some times a "C" Battery. How MM> TW> many can rembember their uses and what are they? MM>The "A" cells [batteries] powered the heaters, and the "B" batteries provide MM>the HV for the plates of the tubes. MM>I'm not familiar with the "C" battery, but there was another one that combin MM>the "A" and "B" within a single package with a multi-pin connector. Maybe t MM>was a "C" battery? Well you get an "A+". The "C" battery used in some battery operated radios was for the Grid Bias. Those that didn't use them had a voltage difvider setuyp to provide the Bias voltage for the grid. I rembember the combo "A"/"B" batteries. Depending on the set they7 were used with and the volume levels one or the other could die first. Some perfered the seperate batteries. MM> TW> Also how many rembmber the "F" cell in the current series MM> TW> designations of "AA", "AA", "AAA", "AAAA", "B", and "D". They are MM> TW> currently being sold by the way sometiems called by another name. MM>The "F" cell is a longer version of the "D" cell, and a set of four "F" cell MM>in a rectangular metal can is what is known as a "6 Volt Lantern Battery". MM>There are probably eight "F" cells in the 12V Lantern battery used in portab MM>fluorescent lights, but I've never taken one of those apart. The "F" cells MM>also have other industrial uses. Another "A+" The most popular application for the "F" Cell was "Lantern" Batteries In my looking arround for the "A" battery(which I never found) one here reports to be using I ran across NEW single Cell NiMH "F" batteries, Soemtines called "Long D" batteries. They were 11000 MaH units. Unfortunatly I forgot the price. BUT I was just found it interesting that Single Cel "F" batteries were avaialble. And I also was amased that Dry Cel packs were still avaialble up to 510 VOLTS. Those were packs for Professional High power Quich recycling Flash units as I recall. BUT it was a nistalsia trip seeing all the old voltages I rembember, 22 1/2, 45, 90 etc MM>[Lots of good history snipped] MM> Thanks, M. MM>--- Msged/386 TE 06 (pre) MM> * Origin: Matt's Hot Solder Point, New Orleans, LA (1:396/45.17) --- þ SLMR 2.1a þ This note from El Cajon California USA * Origin: Try Our Web Based QWK: DOCSPLACE.ORG (1:123/140) .