Prototype pollen trap (incorporating device for unmanned monitoring over weekends) used in the first systematic British pollen survey, in Rotherham, c. 1979
Prototype pollen trap used in the first systematic British pollen survey, in Rotherham, c. 1979
Lid from prototype pollen trap used in the first systematic British pollen survey, in Rotherham, c. 1979.
Two metal rods from prototype pollen trap used in the first systematic British pollen survey, in Rotherham, c. 1979.
Component, painted black, from prototype pollen trap used in the first systematic British pollen survey, in Rotherham, c. 1979.
Metal component with black handle from prototype pollen trap used in the first systematic British pollen survey, in Rotherham, c. 1979.
White component from prototype pollen trap used in the first systematic British pollen survey, in Rotherham, c. 1979.
Microscope slide from prototype pollen trap used in the first systematic British pollen survey, in Rotherham, c. 1979.
