Bibliotheca Spenceriana; or, A descriptive catalogue of the ... library of George John, earl Spencer (1814)
Spencer, George John Spencer, Earl, 1758-1834, Dibdin, Thomas Frognall, 1776-1847, John Rylands Library · London · leaf 61
Numerous implements and machines, for the transportation ofwater, are next seen; and a little onward there is a machine for theconveyance of a man, according to the ensuing fac-simile, to the upperpart of a tower. A man, below, catches hold of that part of the lever,which, by means of a swivel in… … Machines, for passing from one tower to another, are next exhibited ;and we presently behold a curious and effectual construction for a drop,or draw-bridge. A machine, in the shape of a platform, armed at theextreme end of the bottom, is next seen. It is floating upon thewater; a windlas is towards…
![An illustration from M. Vitrvvii viri svae professionis pertissimi De architectvra libri decem, ad Avgvstum Cæsarem accuratiss. conscripsit & nvnc primvm in Germania qva potuit diligentia excusi, atq[ue] hinc inde schematibus non iniucundis exornati (1543)](https://img.insideoutlibrary.com/img/200/ia-mvitrvviivirisva00vitr-287-96.webp)
