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The Weekend Observation Quiz. X Rated.

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In the old T.V. series Danger UXB in episode 10 there is an AVO meter used.


Q.1. Which model is it?


Q.2. What is the location of the old power station shown?


WARNING. There are some soppy bits and some biological scenes that may offend some viewers with a weak constitution. But the series was shown on T.V. in the late 70s so can't be too shocking.


I love Judy Geeson. What a fine actress.


Clue. https://www.dailymotion.com/video/x6xjle0


Good luck,


Z.


Parents
  • 0
    I am young enough to have opened the 1970s steel cell HP11 and SP11 type batteries, and indeed there is a waxed paper cylinder under the steel, and then the zinc outer of a normal 'U' type cell.

    But nowadays, the alkaline carbon zinc cells that have become pretty much universal are ' inside out ' wrt the old ones, and the anode which always was the high resistance electrode,  is the now one with the larger surface area - hence the much higher short circuit current available from modern cells for a given size 


    They'd also have to cool it a lot more to neutralise it with a modern battery - consider the top of the consumer range  L91 Lithium disulphide cell (AA cell 1.5V)        will still run, albeit weakly, at -40C. We specify them for ' awkward '  environments which may get frozen.
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  • 0
    I am young enough to have opened the 1970s steel cell HP11 and SP11 type batteries, and indeed there is a waxed paper cylinder under the steel, and then the zinc outer of a normal 'U' type cell.

    But nowadays, the alkaline carbon zinc cells that have become pretty much universal are ' inside out ' wrt the old ones, and the anode which always was the high resistance electrode,  is the now one with the larger surface area - hence the much higher short circuit current available from modern cells for a given size 


    They'd also have to cool it a lot more to neutralise it with a modern battery - consider the top of the consumer range  L91 Lithium disulphide cell (AA cell 1.5V)        will still run, albeit weakly, at -40C. We specify them for ' awkward '  environments which may get frozen.
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