PH Mask
This mask is one of the earliest versions of a gas mask. It was used by the British forces during WWI in 1916. It's called a PH mask, where PH means Phena-hexamine, a caustic chemical.
Tray of Eyeballs
Thankfully, these are not real eyeballs. But, this was randomly found at the Birmingham Back to Backs Museum in England. No one really knew what it was for or why it was tucked away in storage, but it's still crazy to look at!