Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

The Regular Stuff: Chat, Buy, Sell, Off Topic, etc. => General Discussion - Model & Toy Steam Engines – Stirling Cycle – Flame Lickers – Small Antique Originals => Topic started by: marv in minn on April 06, 2023, 04:06:49 pm

Title: Re: Duplex hot air engine
Post by: Stoker on April 06, 2023, 08:27:57 pm

What a perfectly complimentary pair .... Congratulations on having those two beauties!!!

It's just a guess, but I'd suspect that they may have been made by the Duplex Vacuum Motor Co.

Title: Re: Duplex hot air engine
Post by: St Paul Steam on April 06, 2023, 04:38:23 pm

Very nice Marv.

Title: Re: Duplex hot air engine
Post by: marv in minn on April 06, 2023, 04:08:50 pm

the door on the full size engine

Title: Duplex hot air engine
Post by: marv in minn on April 06, 2023, 04:06:49 pm

this is 1/2 size of my Duplex Vacuum engine.
it is all cast iron castings,

I'm wondering who made these?