RARE STEAM PUMP PATENT MODEL Antique 1860s Miniature Gem Tintype Photo Machine police square shape at about 6

square shape at about 6 o'clock is some residue on the OUTSIDE of the glass and can be cleaned off

serving in Abraham Lincoln 's administration as well as under Andrew Johnson during Reconstruction and for over two years under Rutherford B

Underside of glass slightly dirty

Very good antique condition with some light foxing

RARE STEAM PUMP PATENT MODEL Antique 1860s Miniature Gem Tintype Photo Machine police square shape at about 6Rare, 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.