What are we actually seeing in the picture?

There is a X-axis handwheel; there is a Y-axis handwheel; there is a Z-axis handwheel.

What is the thing above the Y-axis handwheel and below-to-the-right of the vice?

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Can the seller tell you anything about the dial graduations? Or if the bolts on the machine are imperial or metric? That might or might not point to European origin.

The double round overarms might also narrow it down.

Twin bar may be Kearney & Trecker.

Horizontal is great for shifting a lot of metal, but nowhere near as flexible as a vertical.

Try searching in https://lathes.co.uk/#section-millers

There seems to be a horizontal head which may also swivel, as well as the outer support & arbor.
I can’t find many mills with the round twin overarm, other than Schaublin and Gaston Dufour, but they they seem to have major design differences as well as the size.

Bill

That power feed doesn’t look original and I wonder about the torque of such a mass stuck out of the end of the table.

The vice looks so high it will seriously limit the height of the workpiece, especially under the vertical head.

The name does seem embossed on the casting, so might not be a “badge manufacturer” machine. Whoever made it, it’s certainly very heavily made for its size.

Dave –

Judging by the sling wrapped around the machine, the chain block might have been used to move it. The cylinder-head suggests the workshop is used for something automotive so the block would be a natural tool there.

Duncan –

I’ve just had a look. No “Howdle” name.

By the way if anyone thinks this site has been spoilt by Google plastering it with ads, what it does to lathes.co is blatant vandalism.