Perkins 點字機 (經典款)

Time Tested:  Developed at Perkins in 1951, the Perkins Brailler continues to be used worldwide. Durable and dependable, it can emboss 25 lines with 42 cells on an 11” x 8 ½ “ sheet of paper.

Features
•Perkins Brailler comes in blue, grey or green.
•Can emboss 25 lines with 42 cells on 11” x 8 ½ “ sheet of paper.
•Includes leather dust cover and wooden eraser.
•Highly durable (known to last for decades)
•Margin Guides can be moved right and left to accommodate paper size
•Straightforward, easy to use, and with fewer errors compared with using a slate and stylus

Specifications
•Weight: 10.6 lb (4.8 kg)
•Paper size maximum: 11.5 x 14 in (29.2 x 35.6 cm)
•Recommended paper weight: 90 lb
•Key pad: Ergonomic design for ease of typing; Perkins keyboard standard
•Bell: Audible bell sounds 7 spaces before end of line

Braille produced by the Perkins Brailler conforms to the American National Library Service for the Blind Size and Spacing Standard.

Perkins Brailler schematic showing dot spacing and height.
•Dot height: .019 in (.5 mm)
•Dot diameter: .057 (1.4 mm)
•Dot spacing: .09 in (2.3 mm)
•Character spacing: .24 in (6 mm)
•Line spacing: .4 in (10 mm)
版權所有 © 2024 VI Horizon 視障領域. Powered by Zen Cart