Estimated Date: 1890
Name: Ophthalmoscope, Loring
Manufacturer: Johnston Optical Co.
Description: Ivory handled Loring Ophthalmoscope in a paper covered case 4“x2.5“x1” with a tan leather lining. Handle detaches and the connector from the eyepiece protrudes from the bottom of the case. There is a lens in a compartment in the bottom of the case. Lens from 0 to +7, -8. Four additional powers, mirror for light is rectangular.
Reference 1: 261