Instruction document
Category
Manuscripts and documents
Date
Unknown
Materials
Vellum
Measurements
510 x 510 mm
Collection
Cragside, Northumberland
NT 1230169
Summary
Part of a document, possibly a patent, that begins - 'PIPE It alternately supplies a deficiency of steam and accumulates a surplus as the draughts to the cylinders at each successive instance exceeds or falls short of the average flow and thus an equable discharge of steam is maintained from the boiler' etc.