|
This instrument was made and signed by the famous French scientific...
|
This binocular compound microscope is one of which it may be fairly...
|
This device is a precision optics gauge to measure lens radius...
|
A thread counter micrometer for Cotton, Linen, Silk and other textile...
|
A 8.5 cm (3.3 inches) new brass teleidoscope. A teleidoscope has...
|
A Henry Crouch Brass Microscope, English, mid 19th century. Signed...
|
This small brass microscope retained its original lacquer and has...
|
A High Magnification Measuring Microscope by Broadhurst Clarkson,...
|
"Super Camera Lucida" made and signed by the famous French scientific...