including a circular slide rule marked in blue ISOTOPE HANDLING CALCULATOR MKIII, for gama ray souces and lead shielding, along with an instruction book dated 1963, with various other publications and documents relating to the industrial use of Radiography,
Sold for £62
Result plus buyers premium
including a circular slide rule marked in blue ISOTOPE HANDLING CALCULATOR MKIII, for gama ray souces and lead shielding, along with an instruction book dated 1963, with various other publications and documents relating to the industrial use of Radiography,