Ebonised ruler.
Photographed on a white background.

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Ebonised ruler. Photographed on a white background.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Ebonised ruler, made by John Benjamin Dancer.

Details

Category:
Mathematics
Object Number:
Y1970.1.4
type:
ruler
taxonomy:
  • measuring device
credit:
Gift of University of Manchester Institute of Science & Technology