Snellen Vision Testing Cards Set for Railway, Marine and School Exams, Early 20th C. h sloan carrvinh with a great sense of

with a great sense of immediacy

paper soldiers and paper dolls

6 1/2" l x 3" widest diameter

which I think I'd frame just as shown

but is forever kept from pulling out by a carved wooden arm that extends across just below the neck of the bottle

Snellen Vision Testing Cards Set for Railway, Marine and School Exams, Early 20th C. h sloan carrvinh with a great sense ofFound in their original envelop, with Millar and Wel_ (?) Opticians on, Boston stickeron the face and instruction card still inside, this appears to be a complete, or nearly so, set of early 20th c. Snellen vision testing cards. Nineteen cards total, plus instruction card, with three of the cards showing railway signals to be read at a distance of 20 feet as these were commonly used for testing the vision of train conductors railway workers. Included: