So no one even tried to guess at the first image (maybe because I am just imagining people are actually reading this), or maybe it was just very obvious. In any case, I won't give any of these away until I get some guesses. Here's number two, admittedly more difficult:
The first one was an incentive spirometer, and this one is a hospital version of the skytrain (aka "tube system")
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Very good!!! Right on both accounts! :-)
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