Last edited:
We may earn a small commission from affiliate links and paid advertisements. Terms
for 170 bucks why not just buy a real one?
I saw a rollercoaster show on discovery channel IIRC, this scientist or teacher's g-meter was some sort of ballast with a rubber band in a marked graduated cylinder. " smilieid="24" class="inlineimg" />" smilieid="24" class="inlineimg" />