NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1 35

36 NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1

Jo Kirby

A Spectrophotometric Method for the Identification of Lake Pigment Dyestuffs

NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1 37

38 NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1

Jo Kirby

A Spectrophotometric Method for the Identification of Lake Pigment Dyestuffs

NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1 39

40 NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1

Jo Kirby

A Spectrophotometric Method for the Identification of Lake Pigment Dyestuffs

NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1 41

42 NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1

Jo Kirby

A Spectrophotometric Method for the Identification of Lake Pigment Dyestuffs

NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1 43

44 NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1

Jo Kirby

A Spectrophotometric Method for the Identification of Lake Pigment Dyestuffs

NATIONAL GALLERY TECHNICAL BULLETIN VOLUME 1 45