This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
WEBB McIlhenny George A. McIlhenny was Washington Gas Light Company object history credit line George Alexander Mcllhenny was born in the north of Ireland in At the age of eight he came to the United States He was educated at the public schools of Philadelphia and learned the engineer's and machinist's profession in the same city