| 500x333 | 82K | jpg free download | 
| 119x79 | 16K | jpg free download | 
| 300x200 | 40K | jpg free download | 
| 1024x683 | 280K | jpg free download | 
| 1600x1067 | 628K | jpg free download | 
Kleidograph (1894)
 The new York Institution for the Blind, New York, USA
“New York Point System.”
The Kleidograph utilized the “New York Point System”, a system of eight ots – not the 6-dot Braille system. One hand could operate all of the keys, leaving the other free to read the embossed dots.
| 500x333 | 82K | jpg free download | 
| 119x79 | 16K | jpg free download | 
| 300x200 | 40K | jpg free download | 
| 1024x683 | 280K | jpg free download | 
| 1600x1067 | 628K | jpg free download |