[1666-7. OF THE MARQUIS OF WORCESTER. 291 



more in length, and about 24 feet in breadth, three 

 stories high, besides garrets and cellars, with a stair 

 case built out cross on the N. side thereof about 18 feet 

 square. &quot; 



The remaining portion of the report concerns property 

 on the north side let to another tenant ; to stables, and 

 to outhouses ; concluding with an opinion that the 

 whole, when repaired, would render a lease for 31 years 

 worth 100 per annum. 



We thus ascertain that the &quot; Working house,&quot; as it is 

 here called (the &quot; Operatory&quot; named in the petition), 

 where Caspar Kaltoff and his engineers worked, and in 

 or near which the first great public exhibition of the 

 &quot; Water-commanding Engine&quot; was consummated, occur- 

 pied a considerable space of crown property. It was no 

 exposition of questionable utility that was there offered 

 to public view. And that it was public is every way 

 certain, and, indeed, there could be no reasonable occa 

 sion for its being otherwise, after being fully protected 

 for ninety-nine years by Act of Parliament. Besides, in 

 no other way would it have been possible to obtain a 

 sufficient proprietary, such as was evidently sought by 

 the publication made by the Act itself, and apparently 

 also by the distribution of large posting bills ; of which 

 latter a curious specimen still exists in the archives of 

 the British Museum.* 



It was the Marquis of Worcester s misfortune, being 

 involved in heavy debt, to be necessitated to seek pecu 

 niary benefit from his great invention. What means 

 were particularly adopted, beyond setting up a practical 

 illustration at Vauxhall, it is impossible to ascertain, 

 but he would most likely engage the services of one or 



* It is very similar to the Draft, page 224; and the &quot; Definition&quot; in Appendix C. 



u 2 



