c. 1870 Microphotograph of Blood Cells Under Microscope, Dr. S. W. Fletcher, Pepperell MA (2 of 2) Lilley with handle

with handle

speculating that the trade card was most likely made for the World's Columbian Exposition of 1893

The latest--and I think greatest--find reflecting my predilection for representations of pipes

Jack straws themselves average about 3 1/4” long and are in great shape

This one I believe dates to right about then as well

c. 1870 Microphotograph of Blood Cells Under Microscope, Dr. S. W. Fletcher, Pepperell MA (2 of 2) Lilley with handleI don't know a whole lot about microphotography or about blood cells either, really! but I know that this is a microphotograph (a photograph taken under a microscope) of blood, and that is was produced by Dr. S. W. Fletcher of Pepperell, MA c. 1870s. (Included in documentation is another from the set this came from, that one mounted with printed attribution on the board.) I've learned that William Henry Fox Talbot (18001877) was taking photographs