Packet tied with string, labelled 'indigo"

Made:
1790-1819 in United Kingdom
maker:
James Watt
Group of objects from Watt Workshop. White ceramic jar with leather lid, labelled   "Smyrna Lizari"  (1924-792/1479), Group of objects from Watt Workshop. White ceramic jar with leather lid, labelled   "Smyrna Lizari"  (1924-792/1479), Group of objects from Watt Workshop. White ceramic jar with leather lid, labelled   "Smyrna Lizari"  (1924-792/1479), Group of objects from Watt Workshop. White ceramic jar with leather lid; labelled; Smyrna Lizari; (1924-792/1479); rear Group of objects from Watt Workshop. White ceramic jar with leather lid, labelled   "Smyrna Lizari"  (1924-792/1479), Group of objects from Watt Workshop. White ceramic jar with leather lid, labelled   "Smyrna Lizari"  (1924-792/1479),

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Group of objects from Watt Workshop. White ceramic jar with leather lid, labelled "Smyrna Lizari" (1924-792/1479),
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Group of objects from Watt Workshop. White ceramic jar with leather lid, labelled "Smyrna Lizari" (1924-792/1479),
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Group of objects from Watt Workshop. White ceramic jar with leather lid, labelled "Smyrna Lizari" (1924-792/1479),
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Group of objects from Watt Workshop. White ceramic jar with leather lid; labelled; Smyrna Lizari; (1924-792/1479); rear
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Group of objects from Watt Workshop. White ceramic jar with leather lid, labelled "Smyrna Lizari" (1924-792/1479),
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Group of objects from Watt Workshop. White ceramic jar with leather lid, labelled "Smyrna Lizari" (1924-792/1479),
Science Museum Group Collection
© The Board of Trustees of the Science Museum

1 Packet, Indigo

This item is part of the contents of the workshop that Scottish engineer James Watt developed at his home, Heathfield, at Handsworth, Birmingham, from c.1795 through to his death in 1819. Although Watt is best known for his work on the steam engine, his workshop contains a wide variety of objects from many different projects, from chemistry to sculpture-copying.

The description of the item was written by Edward Collins, the land agent responsible for Heathfield when the workshop was given to the Science Museum in 1924. Collins could not always identify what he was looking at, but always described what he saw clearly. This has allowed his descriptions to form the basis of subsequent research.

This substance forms part of Watt's chemical projects: He carried out experiments on bleaching, employed extensively in the textiles industry, and indigo was used by Watt for testing the strength of the bleach 'liquor', before cochinella - also present in the workshop - was identified as a better alternative.

Details

Category:
James Watt's Garret Workshop
Object Number:
1924-792/935
Materials:
indigo, paper (fibre product) and textile
type:
ink
credit:
Major J.M. Gibson-Watt