NWNJBA's Bob Kloss captured a swarm from his top bar hive with his home made vacuum. More about the vacuum can be found here in the YouTube Channel - search on gadget garage. Of course he could have simply put them in a hive body and moved them but he had just built the vacuum and wanted to try it out.

Tiziano:I have built aspirasciami 2, 1 and 1 electric motor and they work fine. But when I used to take over the bees with honey and brood combs so I found a bee die-off of about 80% .credo depends on honey which inevitably is sucked along with the bees and they can not clean up properly ...