Tarnhelm

"Tarnhelm," and Siegfried hangs it to his belt when not in use.

The German Classics of the Nineteenth and Twentieth Centuries, Volume 09 Friedrich Hebbel and Otto Ludwig Various

Alberich has forced his brother Mime to forge a "Tarnhelm" for him, which renders its wearer invisible.

The Standard Operaglass Detailed Plots of One Hundred and Fifty-one Celebrated Operas Charles Annesley

Fafner kills his brother, and making off with all, buries it in a cave -- "Hate Hole" -- and changing himself into a dragon, by virtue of the Tarnhelm which is amongst the treasure, he settles down to guard it.

Wagner John F. Runciman 1891

Fafner kills his brother, and making off with all, buries it in a cave ” “Hate Hole” ” and changing himself into a dragon, by virtue of the Tarnhelm which is amongst the treasure, he settles down to guard it.

Wagner Runciman, John F 1913

We see Alberich use it to summon the Nibelungs at one point, and it apparently enables him to make the Tarnhelm, but its powers are left pretty vague.

Loose Ends in the Ring 2005

Tarnhelm thrown on the hoard, Fasold still sees Freia's eye shine through it and at last Wotan, who is most unwilling to part with the ring, is induced to do so by Erda, goddess of the earth, who appears to him and warns him.

The Standard Operaglass Detailed Plots of One Hundred and Fifty-one Celebrated Operas Charles Annesley

They tell him to seek for the Tarnhelm and for the ring, which he finds in the cavern.

The Standard Operaglass Detailed Plots of One Hundred and Fifty-one Celebrated Operas Charles Annesley

In this first act two important themes are introduced, the Tarnhelm theme and that of the draught of forgetfulness.

Richard Wagner Runciman, John F 1913

As for the draught of forgetfulness itself, it cannot be explained as symbolical of anything; it must be accepted as we accept the Tarnhelm and the Rhinemaidens and black Alberich.

Richard Wagner Runciman, John F 1913

Of the wonder worked by the drop of dragon's blood on the tongue, the little bird's good counsel by which he won Tarnhelm and Ring, the same bird's warning upon which he slew Mime.

The Wagnerian Romances Gertrude Hall Brownell 1912