Beale's self-illuminating ophthalmoscope, 1870. Made by Hawksley of London. An ophthalmoscope is an instrument designed to illuminate the interior of...
Beale's self-illuminating ophthalmoscope, 1870. Made by Hawksley of London. An ophthalmoscope is an instrument designed to illuminate the interior of...
Beale's self-illuminating ophthalmoscope, 1870. Made by Hawksley of London. An ophthalmoscope is an instrument designed to illuminate the interior of...
Beale's self-illuminating ophthalmoscope, 1870. Made by Hawksley of London. An ophthalmoscope is an instrument designed to illuminate the interior of...
Case for Beale's self-illuminating ophthalmoscope, 1870. Made by Hawksley of London. An ophthalmoscope is an instrument designed to illuminate the...
Beale's self-illuminating ophthalmoscope, 1870. Made by Hawksley of London. An ophthalmoscope is an instrument designed to illuminate the interior of...
Engraving by C H Jeens after a photograph. Helmholtz studied a very broad range of subjects, including physics, physiology, and mathematics. He made...
Helmholtz studied a very broad range of subjects, including physics, physiology, and mathematics. He made discoveries in electromagnetic radiation,...
Engraving. Helmholtz studied a very broad range of subjects, including physics, physiology, and mathematics. He made discoveries in electromagnetic...
In about 1850 the German scientist Hermann von Helmholtz , invented the reflecting ophthalmoscope for illuminating and viewing the inside of the eye....
An ophthalmoscope made of nickel-coated brass, with black enamel, manufactured by May. Ophthalmoscopes were designed to illuminate the interior of...
