americano
543
I gave you credit today a post on bakelite inserts
I have been talking to a VRF member who did lots of research on lume and besides radium they also used Strontium 90 in the lume . As Switserland would use Strontium 90 as a base compound for medical purposes untill prohibited by the USA they where left with supplies of Strontium 90, which where sold to dial makers and watch companies.
Manifestation of tropical color change on a gilt dial
I have he pleasure working together with a former Rolex dial restorer and relumer and got some great insights. This is a picture of how rhodium in the lume afects the plate color. ...
I gave you credit today a post on bakelite inserts
I have been talking to a VRF member who did lots of research on lume and besides radium they also used Strontium 90 in the lume . As Switserland would use Strontium 90 as a base compound for medical purposes untill prohibited by the USA they where left wi...
