Birch tar oil is an effective repellent of gastropods.

Here, the brothers built a chemical-pharmaceutical plant, which drew up the birch tar and wood vinegar.

The repellent effect of birch tar oil mixed with Vaseline applied to a fence lasts up to several months.

Birch tar oil is also used in perfumery as a base note to impart leather and wintergreen notes.

Backed points are interpreted as projectile points that were affixed to arrow shafts using birch tar.

While in Russia, Jewell, as a tanner, discovered that the Russians used birch tar to make an aromatic leather.

Here are a few possibilities: Fran Lebowitz's Catarrh - a hint of leather, birch tar and cloves.

Birch tar was used widely as an adhesive as early as the late Paleolithic or early Mesolithic era.

Birch tar or birch pitch is a substance (liquid when heated) derived from the dry distillation of the bark of the birch tree.

This method is used to obtain fragrant compounds from fossil amber and fragrant woods (such as birch tar) where an intentional "burned" or "toasted" odour is desired.

Rather than keep this a secret for his own profit, Jewell sent a sample of the birch tar to the United States and American newspapers published how Russian leather was made.

The probable origin of this fragrance concept was before the use of plastics and related chemicals, being simply a leather scent (based around castoreum and birch tar oil) to mimic the smell of expensive leather upholstery.

Sicilian bergamot and lemon, lime, juniper, pink pepper, myrtle, cypress, lavender, geranium, jasmine, cassi, cinnamon, nutmeg, black pepper, benzoin, labdanum, frankincense, myrrh, sandalwood, vetivert, birch tar, ceda, guaiacwood, accord of hone, tobacco and vanilla.

The wooden arrow shaft, which would have been attached to the arrowhead with fine sinews and birch tar, is gone, and Dr. Egarter Vigl and Dr. Gostner speculated that the man had pulled it out, doing even more internal damage.