Antiguo microscopio - E.Leitz Wetzal - principios de siglo XX
Antiguo microscopio - E.Leitz Wetzal - principios de siglo XX
Level Wild Heerbrugg Switzerland no 48876 NK10
" Oscillomètre Universel " of G. BOULITTE. Breveté S.G.D.G. Refined medical material - Paris
German voltmeter for DC up to 450 volt. WW1 and a Voltohmmeter WW2 from the USA.
Panchet à Paris - classical Barometer - wood, glass, brass - second half 20th century
Barómetro Bert Bolle