The Mnemosyne series is a notebook brand produced by Japanese stationery manufacturer Maruman. Their products are designed to enable you to easily organize written information, and is supported by creative workers including artists, designers, and engineers.
This is a horizontal 5mm grid ruled notebook that is large enough to draw a picture and letters on the same page and facilitates grasping the whole picture of what you have written.
Mnemosyne notebooks are also ideal for note-taking in business scenes. It is A4 size so you can easily convert your information to digital data.
Details

Model number: N180A
Materials: Polypropylene (front cover) / paperboard (back cover)
Sheet layout: 5mm grid ruled lines
Volume: 70 sheets
Size (H ﾗ W ﾗ D): 235 ﾗ 297 ﾗ 10mm
Weight: 500g
Manufacturer name: Maruman Corporation
Made in Japan