9.

diameter ca 20 cm

good condition

2 pieces

10.

20 cm x 20 cm

good condition

small traces of use and age, some paint loss/ some rust

2  pieces

scientific patinated metal 1950s molecular atom models/ structures

used for study in a school in Prague in the early  1950s

black/ red & white molecules with silver/ yellow metal stems

atoms appears to be bakelite or some type of eary hard plastic

very decorative items