Have a heliflux magnetic aspect sensor type 3

this unit is from 1963 in box .can not find any information on it or what it is worth.any help would be appreciated.thanks

glensons10-23-2012 7:04pm

albertporter Details Discussions Posts This discussion Message User 4,949 posts 10-24-2012 at 04:45am Copy Comment URL Report Comment Edit Delete Glensons, I have to admit I don't know what that device does and can't remember ever hearing of one. Is it for audio?