Can you help?
Now and again an object will be offered to the Society,
or discovered hidden away amongst the many wonderous things in the museum, which
cannot readily be identified. This may be the function of the item, its history
or origins. We may include a description or photograph of any such objects on
this page and would ask for your own opinion - whether just a guess or more
reasoned or researched advice about it. Just use the Contact Us tab
to let us know your views. Alternatively, of course, you could arrange a visit
to the museum to see the object at first hand!
One of our members came across
these in a box of microscope slides. There are three, made of clear glass but with
the tops painted in red (which is starting to flake off). They seem to be in the
shape of letters, in this case T, L and C, which may be significant or not. Each has
a plain bulb at the bottom with a thin internal glass tube and filled with a clear
liquid (? water). If the bulb is held in the hand for a few seconds the liquid moves
up the internal tube to the top of the coloured part - perhaps a sensitive gas which
expands through the heat of the hand displacing the fluid? But why?
Any ideas?
Any ideas?
