'Vuespec' spectrophotometer serial no. ZL1223 by M.L.I., with blue-sensitive vacuum photocell (lacks standard lead sulphide cell), amplifier and cable, milliammeter, additional prism and mirror, two liquid cells, one gas cell, two glass filters, and micrometer motor drive
'Vuespec' spectrophotometer serial no. ZL1223 by M.L.I., with blue-sensitive vacuum photocell (lacks standard lead sulphide cell), amplifier and cable, milliammeter, additional prism and mirror, two liquid cells, one gas cell, two glass filters, and micrometer motor drive
'Vuespec' spectrophotometer serial no. ZL1223 by M.L.I., with blue-sensitive vacuum photocell (lacks standard lead sulphide cell), amplifier and cable, milliammeter, additional prism and mirror, two liquid cells, one gas cell, two glass filters, and micrometer motor drive
