To-day we have been to the far-famed British Museum.

I carried an 'open sesame' in the form of a letter given to me by Professor Henry, asking for me special attention from all societies with which the 'Smithsonian' at Washington is connected.
"I gave the paper first to a police officer; a police officer is met at every turn in London.

He handed it to another official, who said, 'You'd better go to the secretary.' "I walked in the direction towards which he pointed, a long way, until I found the secretary.

He called another man, and asked him to show me whatever I wanted to see.
"This man took me into another room, and consigned me to still another man--the fifth to whom I had been referred.No.5 was an intelligent and polite person, and he began to talk about America at once.
"I asked to see anything which had belonged to Newton, and he told me they had one letter only,--from Newton to Leibnitz,--which he showed me.
It was written in Latin, with diagrams and formulae interspersed.

The reply of Leibnitz, copied by Newton, was also in their collection, and an order from Newton written while he was director of the mint.
"No.