Box of calibration rods for measuring machine made by Armstrong
Science Museum Group
© The Board of Trustees of the Science Museum
Box of calibration rods for measuring machine made by Armstrong
Science Museum Group
© The Board of Trustees of the Science Museum
Box of calibration rods for measuring machine made by Armstrong
Science Museum Group
© The Board of Trustees of the Science Museum
Box of calibration rods for measuring machine made by Armstrong
Science Museum Group
© The Board of Trustees of the Science Museum
Box of calibration rods for measuring machine made by Armstrong
Science Museum Group
© The Board of Trustees of the Science Museum
Box of calibration rods for measuring machine made by Armstrong
Science Museum Group
© The Board of Trustees of the Science Museum
Box of calibration rods for measuring machine made by Armstrong
Science Museum Group
© The Board of Trustees of the Science Museum
Box of calibration rods for measuring machine made by Armstrong
Science Museum Group
© The Board of Trustees of the Science Museum
Box of calibration rods for measuring machine made by Armstrong
Science Museum Group
© The Board of Trustees of the Science Museum
Box of calibration rods for measuring machine made by Armstrong
Science Museum Group
© The Board of Trustees of the Science Museum
Box of calibration rods for the measuring machine made by
Science Museum Group Collection
© The Board of Trustees of the Science Museum