image 10.1098-rstl.1693.0085_0001
Image number: RS.19025
Credit: ©The Royal Society

Hygrometer, purpura shell and microscopic studies of bacteria and skin cells

Date

1693

Creator

Unknown, Engraver

Creator - Organisation

The Royal Society, Publisher

Object type

Article identifier

Material

Technique

Dimensions

width (paper): ?mm
height (paper): ?mm

Subject

Physics
Physics
   > Optics
      > Microscopy
Biology
   > Zoology

Content object

Description

Five figures to issue 197 of the Philosophical Transactions of the Royal Society.

Fig. 1. Apparatus used to determine the salt content of ‘common’ water using the principles of hydrostatics, comprising of a balance or beam, float here styled the ball of poise, the cistern or vessel containing the water and the scale for the weights to counterpoint it. Illustration to An account of the Honourable Robert Boyle’s way of examining waters as to freshness and saltness. published in Philosophical Transactions of the Royal Society, vol. 17, issue 197 (Feb 1693), pp. 627-641.

Fig. 2-4 Microscopic studies including bacteria from between the teeth, the substance extracted from a blocked hair follicle and the structure of human dead skin cells, described like scales of a fish. Illustrations to An extract of a letter from Mr. Anth, Van Leuwenhoek, concerning animalcules found on the teeth; of the scaleyness of the skin, &c. published in Philosophical Transactions of the Royal Society, vol. 17, issue 197 (Feb 1693), pp. 646-649.

Fig. 5 Conchological study of a purpura shell, possibly the marine mollusc Hexaplax trunculus, which secretes a purple mucus used in dye. Illustration to Three queries relating to shells proposed by Mr. Samuel Dale, and answered by Dr. Martyn Lister. R.S.S. published in Philosophical Transactions of the Royal Society, vol. 17, issue 197 (Feb 1693), pp. 641-645.

Related Fellows

Martin Lister (1639-1712, British), Physician
Antoni van Leeuwenhoek (1632-1723, Dutch), Natural philosopher
Robert Boyle (1627-1691, British), Natural philosopher

Associated place

<The World>
   > Europe
      > United Kingdom
<The World>
   > Europe
      > Netherlands