The banker’s lamp is a style of electric desk or table lamp often characterized by a brass stand, green glass lamp shade, and pull-chain switch. … These types of lamp are frequently used in libraries throughout the United States, which have made the lamp popular through their presence in films and TV series.
https://en.m.wikipedia.org/wiki/Banker's_lamp
Thanks.
Um.
I’m off to the bank to check out a book!
The green shade is designed for bankers/accountants etc.
You know the green visors too: https://en.m.wikipedia.org/wiki/Green_eyeshade
Ah, I knew it would have a special name. Thank you