Featured Magnetic vee-block mystery

I posted on a specialist forum but I can never tell who may come up with the answer. I may have mentioned I’ve begun collecting very well-crafted shop-made, signed machinist tools.

https://www.practicalmachinist.com/...-made-mag-v-block-mystery-397747/#post3858501

 

They’ve replied, a few of them have commented that it is probably the man’s clock number within that particular plant.

 

Hey @springfld.arsenal !
I came across a meme in my internet adventures the other day that made me laugh and reminded me of you.

 

Because it's big and goes BANG of course! My dad wished he had the space to collect live steam, so cannon are bitty in comparison.