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.
Vacuum Cleaner . en The Dedusting Pump later known as vacuum cleaner de Die Entstaubungspumpe spter bekannt als Staubsauger Chronik Author ca People using vacuum cleaners PDold photographs
Page 2023 Free-images.com. All images are Public Domain