Rare WWII Norwegian Hydro-Electric Company Norsk Nydro heavy...

Rare WWII Norwegian Hydro-Electric Company Norsk Nydro heavy water canisters (2), the canisters screw caps depict the company name and long boat logo, first contains original 25g Norsk Hydro glass ampoule (still contains some fluid) housed in its original thick protective felt sleeve and wooden presentation box, the ampoule retains its intact green paper label specifying a 25 Gr capacity, with a handwritten purity grade of 99.78 g/100 g and specific gravity marker (d₂₀: 1.10514) (flame-sealed glass tip at the apex shows an old plug repair), the second is an empty canister with original green paper label, extremely fine example with small dent to canister containing liquid. (T)

Estimate:£600

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