On Sep 23, 7:35*am, McKevvy wrote:
On 23 Sep, 08:26, "TheScullster" wrote:

"The Natural Philosopher" wrote

The Medway Handyman wrote:
Three poles in a triangle, one longer that the other two, used with a
block & tackle attached to the longer one?

Its on the tip of my tongue!

sheerlegs?

Apparently spelt shear legs.
Not quite sure why, when the legs are in compression!
Seehttp://www.hss.com/g/69310/500kg-Shearlegs.htmlfordetails.

But the one in the photo of your link has three EQUAL leg lengths.

McK.

Wig-wam?