Carl,check this out

[Carl-NC]

Haven't had much time to keep up with this... but Qiaozhi is right. A magnet does NOT attract ions to its poles. If it did, all of the magnets laying around would have a thick coating of ions on them. A magnetic field CAN deflect ions in motion... this is used in Ion Beam Depostion for thin-film products like hard disks.

[Elie]

Originally Posted by Esteban

Alonso start in long distance detection in 1959.

I would like to hear about this.

[Esteban]

At age 14... whit success. (Sorry, miracle is for believers!) Alonso was born June 15 1945.

I know details of first detection. From his patio, Alonso detect in direction of a church. With permission of the priest (catholic), they excavate in the site and found silver handles of coffins. In the past, the catholic christians was bury below floor of the churchs, in some countries.

But, in his childhood, Alonso was involved in other things, he built other kind of apparatus, motors, rockets, etc. At this time, Alonso was teach in electricity by an ex IWW German soldier, called Haber, he was an inventor. Haber was radiotechnician and invent a metal detector (during IWW) for unearth unexploded ordnances via low frequency induction (audio range) in the terrain with metalic stakes!

In some parts of his annotations I found dates from feb. 1958, this is the real year of starting in long range detection experiments.

But a man called Toto Coronel (in this time -1959-, 34 or 35 years old, today 80-81) insist in to build metal detector for long distance based on radio (they found some information about metal detection via radio). This information helps him, but isn't enough, regarding was difficult in the first moments classification of material. Alonso and Mr. Toto Coronel work in an idea wich works.This is the old detector, hand-drawing by Alonso (please, can't post other details, as schematic):

[Elie]

I wanted to hear about that guy because Carl wrote something about long range locator ads from 1973, but I guess that the racket is older than that.

[Carl-NC]

Originally Posted by Elie

I wanted to hear about that guy because Carl wrote something about long range locator ads from 1973, but I guess that the racket is older than that.

Based on magazine ads (Old West, True West, various treasure titles) the earliest for-sale treasure-type LRL I've found is the Anderson rod from ~1973. I've been told that Anderson actually started ~1970. There may have been earlier marketed LRLs that I am unaware of.

- Carl

[Elie]

Originally Posted by Carl-NC

Based on magazine ads (Old West, True West, various treasure titles) the earliest for-sale treasure-type LRL I've found is the Anderson rod from ~1973. I've been told that Anderson actually started ~1970. There may have been earlier marketed LRLs that I am unaware of.

- Carl

Unlike real treasure hunting technology, it does not really matter when long range locators first appeared, because they did not actually do anything, but it would be interesting to find out when someone first thought of the scam. Maybe as far back as the 19th century.
What do you think of my latest post in the thread that I started?