Old style mantle- no longer made +uranium marble

Subject: Old style mantle- no longer made +uranium marble

1 lantern mantle +1 Uranium MARBLE.
Gas lantern mantles exempted:NRC Regs 10CFR-40.13(c)(1)
40.13 Unimportant quantities of source material.
(c) Any person is exempt from the regulation in this part and from the requirements for a license set forth in section 62 of the Act to the extent that such person receives, possesses, uses, or transfers:
(1) Any quantities of thorium contained in (i) incandescent gas mantles,

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