No need for a cold trap with a diaphragm pump. You might route the exhaust outside or give it a cup to dribble into.
You may even find that entire thread useful. Threads more often were back then…
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No need for a cold trap with a diaphragm pump. You might route the exhaust outside or give it a cup to dribble into.
You may even find that entire thread useful. Threads more often were back then…