bert wrote:

Steve Walker wrote:

Blow was mainly used by us to try and shift something that was stuck
in the hose, but it was actually intended for air powered tools - such
as the spray gun that could be attached to the hose.

We had one of those. Wish I could remember the make. We also used the
spray gun attachment.

This was the one we had

https://www.worthpoint.com/worthopedia/vintage-1960s-electrolux-vacuum-475122294