"Paper-making by machinery, my dear," I said graciously, "is a most complicated process. I won't puzzle you with all the details, but roughly the idea is to pulp up the—er—rags and so on in a huge sort of—er—bowl, and then to roll it out thin in the rolling-out machine."

Margaret thought this over. "It sounds just the same as the hand-made," she said.

"Oh, no," I said quickly; "it's all done by machinery, you see. Pistons and rollers and—er—mechanical edge-decklers and so on."

"And what does 'Linen Wove' mean?"

"They employ people to thread the paper with linen threads, my dear. A very delicate performance; that's why Linen Wove is so expensive. Azure Wove is, of course, done with blue flaxen threads. Silurian Bond is made by a fellowship of geologists, and for Chelsea Bank they have a factory on the bank of the Thames at Cheyne Walk. That's all I need tell you, though I know a lot more."

"I never realised before how awfully interesting paper-making could be," said Margaret gratefully. "Write and order me a good supply of Chelsea Cream Wove, will you, dear? Oh, and some other kind for yourself, to write your stories on. Don't forget."

"Very well; Chelsea Cream Wove for you. And what shall I have?"

Margaret's mouth twitched a little.

"Foolscap, I think, dear," she said.