Optical

Category science

 

Here you find following brands: Franckh, aso

W030  COC Japan  -->  fifties
W-023 Micro Labor  Paris --> fifties
W-022 C&D Hempstead England --> fifties
W-020 Landriault Paris --> thirties
W-024 Germany --> fifties
W-020 SGDG France Médaille d'or Lépinne --> 1955
W-016 France --> thirties
W-015 Franckh Stuttgart --> 1951