Treatise on the principal mathematical instruments employed in surveying, levelling, and astronomy : explaining their construction, adjustments, and use. With an appendix, and tables / By Frederick Walter Simms.

  • Frederick Walter Simms
Date:
1844
Catalogue details

Licence: Public Domain Mark

Credit: Treatise on the principal mathematical instruments employed in surveying, levelling, and astronomy : explaining their construction, adjustments, and use. With an appendix, and tables / By Frederick Walter Simms. Source: Wellcome Collection.

    170/176 (page 14)
    APPARATUS. A Universal Discharger and Press. ‘ Jointed Discharger, with Glass Handles Ditto, plain : : ; from 4s. 6d. to Exhausted Flask for rane the Aurora Borealis Electrical Batteries of combined Jars . from 2/. 12s. 6d. to Cuthbertson’s Improved Electrometer, with Grain Weight Bennet’s Gold Leaf Electrometer ; Cavallo’s Bottle Electrometer, for Atriast herent purposes, from 12s. to ° Quadrant Electrometer, with divided AG ch Kinnersley’s Electrometer ‘ Coulomb’s Electrometer ‘ Pith-Ball ditto : t , Luminous Conductors : : : from 12s. to A Thunder-house, for showing the use of Conductors Ditto ditto, with Draw A Powder-house for ditto An Obelisk or Pyramid for ditto A Magic Picture for giving Shocks. from 7s. 6d. to Spiral Tubes to illuminate by the Spark from 8s. to A Set of 5 Spiral Tubes on a Stand ; Ditto, with a Dome : : ; : ; Luminous Names or Words 2 from 10s. 6d. to A Set.of 3 Plain Bells ; ‘ a A Set of 8 Bells, containing the Gamut ‘ E Diamond or Spotted Jars : from 8s. to A Double Jar for explaining the Preah wind Theory, from 18s. to An Electrical Cannon A Brass Electrical Pistol Copper Plates and Stand for Dancing nage A Small Head with Hair An Artificial Spider Sportsman and Birds Atwood’s Machine for Demonstrating the Law of Acceler- ation in Falling Bodies A ie from 20/. to Working Model of Locomotive Engine, 4 wheels Ditto, 6 wheels ‘ Model of Bramah’s i Yiydhohate Press =e & © 2 S&S © CO ke So] bb ww |e .So.So f 2 2 le Oo Boe Cok 30 25 40 15 SCOHOoOoaQa oa Oo & OOo oo naocnrrcronaananrnrneoeaoenencoeoesceeaeaedcenaoe oo 2.0