Here's another one in need of identifying. I thought it may be American but couldn't find anything. I like the vaporiser. Have fun
I'm no expert and don't have much experience. I do own a Handi and it kind of looks like the Handi to me - the vapouriser that is.
An escapee across the Tasman You picked it Matty a Handi for sure the whalebone arch is distinctive, the top mixing area was claimed to give efficient airflow and was changed a little over time.