... wires; and as the tube are hermetically sealed, and do not rise perceptibly in temperture, or as the inventors express it, la lumiere est froide, there is no possibilty of ignition of the explosive gases. The light obtained, they admit is feeble, but this ...

... ., a El phris gm chwarter yw 2s.. 2 nd taha ymlae; a'a neu 29 6c1. w5 na eir hyry. ro Anfonir dwy, neunrhkw gyfier (oqu , Lumier) I( drwry y post ganL y qj eddw ra q y prisiia hyn, eiv El phris wedi ei stamplo ydyw 3c.;- s.; Sen r Pt chwarter, a thahi ...