Early 19th Century Large School (Mostly) Math Notebook libra This is a wonderful old

This is a wonderful old birch bark box with a great form and patina

as desired

which I'd like to think were inspired by the work of Bridget Riley

Just an old wooden ball

there is a layer of thick cardboard

Early 19th Century Large School (Mostly) Math Notebook libra This is a wonderful oldThe is by far the largest 19th century notebook I've found, almost 15 inches tall, with a heavy, handmade paper cover that makes it feel rather as if it might contain the secrets to the universe! Not so, really but it is chock full of math related information and calculations, from simple multiplication to division of decimals to the rule of three, and lots of word problems relating to miles and forms of measure and commodities of the day, which looks