Troy@lemmy.ca to Electronics@discuss.tchncs.deEnglish · 2 months agoOpened an old scientific instrument to see if it works...lemmy.caimagemessage-square14fedilinkarrow-up11file-text
arrow-up11imageOpened an old scientific instrument to see if it works...lemmy.caTroy@lemmy.ca to Electronics@discuss.tchncs.deEnglish · 2 months agomessage-square14fedilinkfile-text
Instrument is a Geonics EM16 VLF receiver, using in the mineral exploration industry to find buried linear conductors.
minus-squareSpaceNoodle@lemmy.worldlinkfedilinkEnglisharrow-up0·2 months ago9V batteries existed in the seventies. They just have far less capacity than six AA cells.
minus-squareTroy@lemmy.caOPlinkfedilinkEnglisharrow-up1·2 months agoI agree. However the Ah capacity of a modern 9V is pretty good compared to the 70s. Unless you buy the cheapest 9V crap you can find ;)
9V batteries existed in the seventies. They just have far less capacity than six AA cells.
I agree. However the Ah capacity of a modern 9V is pretty good compared to the 70s. Unless you buy the cheapest 9V crap you can find ;)