If a specific post was interesting or useful to you, we recommend that you Like that post. It tells the post author, and others, that you found the information valuable. Clicking Like is another way to let others know that you enjoy it without leaving a comment.
Log in to join the conversation and Like this content.
I think they used a bellows to pump air into the molds. Not sure 10 men would have the lung power to blow one cylinder much less production quantities. LOL
