Rule in wooden case, made by John Benjamin Dancer, c
Science Museum Group
© The Board of Trustees of the Science Museum
Rule in wooden case, made by John Benjamin Dancer, c
Science Museum Group
© The Board of Trustees of the Science Museum
Rule in wooden case, made by John Benjamin Dancer, c
Science Museum Group
© The Board of Trustees of the Science Museum
Rule in wooden case, made by John Benjamin Dancer, c
Science Museum Group
© The Board of Trustees of the Science Museum
Rule in wooden case, made by John Benjamin Dancer, c
Science Museum Group
© The Board of Trustees of the Science Museum
Rule in wooden case, made by John Benjamin Dancer, c
Science Museum Group
© The Board of Trustees of the Science Museum