Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Use this
image
Watson varifocal lens Model 75/6
Science Museum Group
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Cover of Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Inside view of cover for Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Hand written inscription inside cover of Watson varifocal lens
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Cover of Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Watson varifocal lens Model 75/6
Science Museum Group Collection
© The Board of Trustees of the Science Museum