A cunette.

A small vessel with at least two flat and transparent sides, used to hold a liquid sample to be analysed in the light path of a spectrometer.

a kind of laboratory glassware , usually a small square tube, sealed at one end, made of plastic , glass , or optical grade quartz and designed to hold samples for spectroscopic experiments

a small plastic container used in the instrument to hold the solution

Deep narrow ditch, often filled with water, in the main defensive ditch of a fort.

A pot, bucket, or basin, in which molten plate glass is carried from the melting pot to the casting table.

The inner cover on the back of a watch case. Typically found on hunting-case watches.

The dust cap for a watch.