Re: sonotube?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Resonance Research Corp. by way of Terry Fritz <teslalist-at-qwest-dot-net>" <resonance-at-jvlnet-dot-com>


Telephone a local concrete construction company or large contractor.  They
use these all the time for large building concrete columns and can tell you
where you can get them locally.  Contractor's supply companies carry them or
can order any size you need.

Dr. Resonance

Resonance Research Corp.
E11870 Shadylane Rd.
Baraboo,  WI  53913

 > Does anybody know what ""sonotube"" is called in the UK as
 > I want some 20" dia to build a new maggie driver on.