Cheiroscope, Maddox
1950-1960
Cheiroscope by C.W. Dixey and Son, Ltd., English
Cheiroscope, Maddox type
1920-1950
Maddox cheiroscope by Clement Clarke Ltd., English
Nine cards for use with Maddox cheiroscope
Two identical Maddox cheiroscopes without lamp attachments
Seven pairs of test objects
Cheiroscope, for training ocular muscles
1930-1950