https://www.mentalfloss.com/culture/fashion-beauty/iron-on-transfer-decals-t-shirt-history
A Wrinkle-Free History of Iron-On Transfers for T-Shirts
May 13, 2021 - The colorful, fun, and sometimes lurid decals were all the rage in the 1960s and 1970s. They also gave kids a chance to play with a hot iron.
history of ironwrinkle free
https://www.english-heritage.org.uk/visit/places/iron-bridge/history/
History of Iron Bridge | English Heritage
Nestled in a spectacular wooded gorge stands a monument to British industry - the world's first iron bridge.
history of ironbridgeenglishheritage