Found this unusual burette type thing amidst a pile of broken burettes (why?) and cant work out what it would be for. It seems like it could be for mixing but I cant work out why you'd want to.
mystery solved - after checking all the HCl stock it turns out that 3 out of the 4 bottles are not viable, not sure if the previous tech diluted them and not labelled or what, never mind, im glad it wasnt me anyway
The cleapss guidance says must not be used even for registration by non science teachers. This is something that's happening this term in our school, the 6th form are being registered in the science classroom which seems to have been OK'd by the senior management of which one is an A level...