https://bluecreeper.com/

I read this as a mixture of mineral spirits, Blue Creeper and a bit of gun oil which is applied after cleaning as a means of lubricating a typewriter.

Smith Corona Manual Vintage Typewriter Main Spring Removal Flush and Re-Lube Draw Band Attached by [[Phoenix Typewriter]]

Duane puts a few drops of red oil on the mainspring of typewriters as a lubricant before blowing it out to thin it down.

Here he demonstrates how to re-tension the mainspring of a Smith-Corona typewriter.

https://new.reddit.com/r/typewriters/comments/17sc9kj/typewriter_lubricant/

Quenching Oil Quenching Oil in India Quenching Lubricants