Early science in Cambridge / by R.T. Gunther.

  • Gunther, R. T. (Robert Theodore), 1869-1940.
Date:
1937
Catalogue details

Licence: In copyright

Credit: Early science in Cambridge / by R.T. Gunther. Source: Wellcome Collection.

    58/650 (page 36)
    NO. 56. oughtred’s circles of proportion And No. 167. Double Horizontal Dial