11 ms·
For a great collection of weird old patents, check out https://www.flickr.com/groups/1478617@N25/pool/ https://www.flickr.com/groups/1478617@N25/pool/ A flickr
by teachingaway 11y ago
For a great collection of weird old patents, check out https://www.flickr.com/groups/1478617@N25/pool/ https://www.flickr.com/groups/1478617@N25/pool/
A flickr collection by LisaGenius.