I was always told that white metal could not be soldered. I never heard of a 70 degree solder. Lowest melting point metal I know of is Cerro Bend which melts around boilding water temperature (212F). That's a good deal hotter than 70F.
For adhesives We have CA (Crazy Glue), Walthers Goo, and epoxy. I would expect you could do a good job with any of them.
David Starr www.newsnorthwoods.blogspot.com
7j43kI recommend that the OP order it from the far far reaches of London. Or wherever. It is CLEARLY too dangerous for Yankees and their ilk to contact.
Remember we yanks have to post warnings on gas pumps that include:
I guess maybe that some of us are too dumb for our own good.
Marlon
See pictures of the Clinton-Golden Valley RR