Speedglas XL

[Jack772]

I was given a Speedglas XL welding helmet several years ago. It says inside, that it was made by Hornell Speedglas, Inc.
I know nothing about it. Does anyone out there know where I can find a manual?
Thanks,
Jack

[Ken_Shea]

The manufacturer is usually a good place :)

http://solutions.3m.com/wps/portal/3M/en_US/Health/Safety/Brand/Six/