Window Cleaner magazine
The March/April 2002 issue of Window Cleaner magazine featured Jan Demczur’s donation to the Smithsonian’s National Museum of American History.

Transcript: American Window Cleaner
March-April 2002
Issue #90
"Voice of the Professional Window Cleaner"
Subscriptions: $35; $6/copy

Jan Demczur's Squeegee Handle Goes to the Smithsonian
A Momentous Event for our Industry: Special Coverage Inside