Hi, So I was rubbing some linseed oil on my chairs, however it seems I may have added a slight bit too much as it was my first time doing this, and I’m afraid I may have ruined my chairs. The texture ...

One of 174 specimens of essential oils used in pharmacy donated by McKesson & Robbins in 1883 to the Section of Materia Medica, U. S. National Museum. Soon after the Section of Materia Medica was ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. One of 174 specimens of essential ...