Guess what this is a photo of!

[roadfix]

Is it used in carpentry?

 

[Andy M.]

Not used in carpentry

 

[roadfix]

Is it part of a manufacturing tool?

 

[Andy M.]

no

 

[pacanis]

I've looked at every hand cranked vintage gizmo out there... all but one anyway.
So a WAG, is it an aerator or pump?

 

[roadfix]

Is it a hunting tool?

 

[Andy M.]

Not an aerator or a pump or a hunting tool.

 

[roadfix]

Is it used in crafts?

 

[Andy M.]

Not aircraft, sea crafts, space crafts or arts and crafts.

 

[pacanis]

Not aircraft, sea crafts, space crafts or arts and crafts.

Witchcraft?

 

[roadfix]

a medical instrument?

 

[Andy M.]

No

 

[roadfix]

sporting gear?

 

[Andy M.]

No it isn't

 

[roadfix]

food related?

 

[Silversage]

clothesline ?

 

[Andy M.]

Not food related or a clothesline.

 

[roadfix]

Is it used indoors?

 

[Andy M.]

Most likely but not necessarily.

 

[Silversage]

tape measure?