2521. Ink for Marking Packages

2521.     Ink for Marking Packages. Take lampblack and mix thoroughly with sufficient turpentine to make it thin enough to flow from the brush. Powdered ultramarine, instead of lampblack, makes a fine blue marking mixture for the same purpose.

2522. Ink for Marking Packages

2522.     Ink for Marking Packages. An excellent and very cheap ink is made by mixing 1/4 ounce bichloride of potassa and 4 ounces extract of logwood in a stone jar or demijohn, with 2 gallons of hot water. Shake well and let it stand for about 2 weeks, shaking occasionally.

2523. Permanent Ink for Writing in Relief on Zinc

2523.    Permanent Ink for Writing in Relief on Zinc. Bichloride of platinum, dry, 1 part; gum-arabic, 1 part; distilled water, 10 parts. The letters traced upon zinc with this solution turn black immediately. The black characters resist the action of weak acids, of rain, or of the elements in general, and the liquid is thus adapted for marking signs, labels, or tags which are liable to exposure. To bring out the letters in relief, immerse the zinc tag in a weak acid for a few moments. The writing is not attacked while the metal is dissolved away.

2524. Ink for Zinc Labels

2524.    Ink for Zinc Labels. Take 1 drachm of verdigris, 1 drachm sal ammoniac powder, and 1/2 drachm lampblack, and mix them with 10 drachms water; and this will form an indelible ink for writing on zinc.

2525. To Write on Silver with a Black that will Never Go Off

2525.     To Write on Silver with a Black that will Never Go Off. Take burnt lead and pulverize it. Incorporate it next with sulphur and vinegar, to the consistency of a paint, and write with it on any silver plate. Let it dry, then present it to the fire so as to heat the work a little, and it is completed.

2526. Indestructible Inks

2526.    Indestructible Inks. Employed for writing the labels on bottles containing strong acids and alkaline solutions. They are capable of resisting the action of iodine, chlorine, alkaline lyes and acids, as well as operations of dyeing and bleaching, besides being an excellent and cheap material for marking linen, as nothing will remove them without destroying the fabric.

2527. Hausmann's Indestructible Ink

2527.       Hausmann's Indestructible Ink. Mix 1 part genuine Trinidad asphaltum with 4 parts oil of turpentine; color with a sufficiency of plumbago, for black, or vermilion for red ink.

2528. Close's Indestructible Ink

2528.      Close's Indestructible Ink. Mix 25 grains powdered cobalt and 200 grains oil of lavender by a gentle heat; color with 3 grains lampblack and 1 grain indigo, both in fine powder. If a red color is required, omit the lampblack and indigo and add sufficient vermilion to make the mixture a good color.