You see it was at Worcester that they invented that variation of the transfer printing process that they called bat printing, where they used oil instead of ink, and gelatine instead of paper.

Now engravings for that kind of printing were usually in stipple work--dots, you know--so the prints on these knobs can easily be distinguished from those of the transfer printing.

See?
Now, this one is--" "Er, of course, William, any time--" interposed Bertram again, his eyes twinkling.
William stopped with a laugh.
"Yes, I know.

'Tis time I talked of something else, Bertram," he conceded.
"But 'twas lovely, and I _was_ interested, really," claimed Marie.
"Besides, there are such a lot of things here that I'd like to see," she finished, turning slowly about.
"These are what he was collecting last year," murmured Billy, hovering over a small cabinet where were some beautiful specimens of antique jewelry brooches, necklaces, armlets, Rajah rings, and anklets, gorgeous in color and exquisite in workmanship.
"Well, here is something you _will_ enjoy," declared Bertram, with an airy flourish.

"Do you see those teapots?
Well, we can have tea every day in the year, and not use one of them but five times.