image bp030_0342
Image number: RS.16168
Credit: ©The Royal Society

Chemical balance

Date

Late 17th century

Creator

Frederick Clod (b.1625, German-born British), Physician

Object type

Archive reference number

Manuscript page number

p342

Material

Dimensions

height (page): 191mm
width (page): 150mm

Subject

Content object

Description

Elevation of a set of scales proposed for use in the assaying of metals, notably gold, silver, copper, zinc and lead. The drawing shows a balance upon which is a weighing pan (waagschale) to the right at ‘F’, balanced by ball weights on the left-hand side as viewed. Broken lines indicate the changing position of the scales.

Transcription

Inscribed verso: ‘Wie durch eine gemeine probierwage, Golt, Silber, Kuppfer, Zin, & Bley, deren zwey mitt ein ander vermishet, fein im wasser, gewicht zu finden &c.’

With 10pp of accompanying text, describing the use of the instrument.
Transcribed by the Making Visible project

Related Fellows

Robert Boyle (1627-1691, British), Natural philosopher

Associated place

<The World>
   > Europe
      > United Kingdom
<The World>
   > Europe
      > Germany