













|













|
ES Ritchie (Boston,
USA)
Listed below are most
microscopes, mechanical stages, lamps and/or other items pictured in the
catalogues of this maker or retailer (for which I have a copy), including
the information about the year each image appeared and a brief description.
Image
|
Catalogue’s
publication year
|
Observations
from the catalogue
|

|
ES Ritchie’s catalogue (1870; 1878)
|
Tolles’s students’ microscope
|
|