Jon Talks 馃帣 Slings & Lifting Tripod
14:08
DIY Tripod Hoist - For Lifting Rocks and other Heavy Things!
31:28
Historic Monument Repair/Infill Demo by Jonathan Appell of Atlas Preservation. Greensboro, NC
5:59
EP10: TRIPOD CHAIN HOIST: How to lift heavy objects
5:27
Leveling & plumbing the Wetherby gravestone with tripod chain hoist
19:53
How to use a Tripod for Rescue
19:45
Fabricaci贸n Gr煤a P贸rtico M贸vil de 1 ton. ( Homemade Mobile Gantry Crane)
52:01
Local Cemetery Conservation: Repairing Broken Tablet Stones
3:43