Pince-nez is a style of glasses, popular in the late 19th and early 20th centuries, that are supported without earpieces, by pinching the bridge of the nose. The name comes from French pincer, "to pinch", and nez, "nose".
Anton Chekhov with pince-nez, 1903
C-bridge pince nez spectacles, cased, England, between 1875 and 1925
Rimless astig pince-nez
Finger-piece hard bridge pince-nez
The Adventure of the Golden Pince-Nez
"The Adventure of the Golden Pince-Nez", one of the 56 Sherlock Holmes short stories written by Sir Arthur Conan Doyle, is one of 13 stories in the cycle collected as The Return of Sherlock Holmes (1905). It was first published in The Strand Magazine in the United Kingdom in July 1904, and was also published in Collier's in the United States in October 1904.
Holmes asking about a mark on the bureau, 1904 illustration by Sidney Paget in The Strand Magazine
Hard bridge pince nez glasses with chain and ear hook.
Holmes interviews the professor, 1904 illustration by Frederic Dorr Steele in Collier's
Anna committing suicide, 1904 illustration by Sidney Paget