What's This? (Difficulty = 1.5)

[AAJIII]

guess

Some kind of electrical variable speed controler.

[cabinetman]

Part of a rotary phone?

BZZZ - Wrong answer - not even warm - try again

[cabinetman]

Looks like an old tube tester or something. I'm noting the one-shot doorbell button.

BZZZ - Wrong answer - take another shot

[cabinetman]

Some kind of electrical variable speed controler.

BZZZ - Wrong answer - nice try though

CLUE: Not for underwater use.

[Thom2]

CLUE: Not for underwater use.

NO FREAKIN' CRAP?????

I never woulda thunk it with that electrical cord and all those holes in the side of the case

somebody get this right already, it's drivin' me nuts

[PAL]

My first guess, Hamm Radio

[PAL]

My guess, Hamm Radio

[oakchas]

I axed my wife... she said it's either a whatchamacallit, or if built after 1919, a whoseywhatsis.

[PAL]

My guess. Hamm Radio

[cabinetman]

My guess, Hamm Radio

BZZZ - Wrong answer - try another frequency

[cabinetman]

I axed my wife... she said it's either a whatchamacallit, or if built after 1919, a whoseywhatsis.

BZZZ - Wrong answer - But, you're very close, try again

Hey, this has a degree of difficulty of only 1.5. Thought it would be guessed by now with all the woodworkers here.

CLUE: This device became very popular.

[TheRic]

Power supply for a wood burner / engraver. From about 1930's

[LCHIEN]

Power supply for a wood burner / engraver. From about 1930's

That sounds like a winner... best answer so far.

[maxparot]

An AM Radio or a light bulb tester

[WoodTherapist]

A moisture meter.