RARE STEAM PUMP PATENT MODEL Antique 1860s Miniature Gem Tintype Photo Machine guns sixth-plate in half of its

sixth-plate in half of its original case behind mat and cover glass

her only sibling

25" and the condition is excellent

They are all playing a musical instrument

RARE STEAM PUMP PATENT MODEL Antique 1860s Miniature Gem Tintype Photo Machine guns sixth-plate in half of itsRare, original miniature tintype of a patent model of Knowles' steam pump, taken circa 1863. Listing image #2 is a drawing of the pump found online.. it's provided here for reference only and the image is not included. This listing is for the original tintype only. Gem sized tintype is only about 3 4" of an inch tall by 1" wide. It's in very good antique condition. Priority Mail.