Manufactured by Howe Press of the Perkins School for the Blind in Watertown, Massachusetts, the Perkins Brailler is a “braille typewriter” featuring six keys corresponding to the six dots of the braille cell. Designed in 1951 by David Abraham, a Perkins instructor and machinist, the handmade machine is a durable, reliable, and easy-to-use device that remains the premier mechanical braillewriter in the world. More than 330,000 machines have been sold in 170 countries since production began.