Clairefontaine spiral notebook, engineer cross-ruled. N 68162C. 21 x 29.7 cm, 90 sheets/180 pages. Very good feel, takes the various inks I've exposed it to.

Clairefontaine spiral notebook, engineer cross-ruled. N 68162C. 21 x 29.7 cm, 90 sheets/180 pages. Very good feel, takes the various inks I've exposed it to. There might be other sizes but this sits at the elbow well. Example in Quebec: https://www.renaud-bray.com/books_product.aspx?id=464022&def=Cahier+spirale+5%2F5+Graph+180p+21x29.7cm+AS%2C68162C&page=184 https://www.renaud-bray.com/books_product.aspx?id=464022&def...