A fragment of roasted coffee under the microscope. Drawn with the camera lucida, and magnified 140 diameters.
Green and Roasted Coffee Under the Microscope
Bogota, Green
Longitudinal—Magnified 200 diameters
Bogota, Green
A fragment of roasted coffee under the microscope. Drawn with the camera lucida, and magnified 140 diameters.
Green and Roasted Coffee Under the Microscope
Bogota, Green
Longitudinal—Magnified 200 diameters
Bogota, Green