pneograph
/ˈnɛɒɡræf/Definitions
1. noun
A device that can record handwriting, allowing the user to reproduce the script at any scale.
“The professor used a pneograph to demonstrate the intricate details of the handwritten manuscripts.”
2. noun
A mechanical device or instrument that records or reproduces handwriting or other marks.
“The artist used a pneograph to recreate her original sketch at a larger scale.”