What are these? Found under a bathroom cabinet during renovations – small glass tubes, 5 cm long, filled with liquid. Any ideas?

to freshen up while traveling. Having a personal fragrance on hand was a significant attraction, and the ampoules’ compact size made them a practical choice. For many women, these glass tubes were an essential part of their daily routine, a symbol of elegance and sophistication.
Production and Origin of Glass Tubes:
The production of these glass tubes likely required specialized manufacturing processes to ensure the integrity and preservation of the liquid inside. Many perfume companies of the time, particularly in Europe, were renowned for their craftsmanship and attention to detail.