The Practical mechanic's journal . nveyance. J. l,., YV oolwich.—We shall be glai to hear from him on his experiments with metalliccompounds. J. Braidwood, Johnstone.—The furnace bars of the Cowlairs engines are set at a ver-tical, not a horizontal, angle. We do not by any means see the philosophy of placingthem as he states. Can he give us the rationale of it? It is no uncommon case for twoparties to hit on the same thing, and it would appear that theapparatusheputwpin John-stone was not known or put in operation beyond the immediate distriffj it is therefore noargument against the originalit
The Practical mechanic's journal . nveyance. J. l,., YV oolwich.—We shall be glai to hear from him on his experiments with metalliccompounds. J. Braidwood, Johnstone.—The furnace bars of the Cowlairs engines are set at a ver-tical, not a horizontal, angle. We do not by any means see the philosophy of placingthem as he states. Can he give us the rationale of it? It is no uncommon case for twoparties to hit on the same thing, and it would appear that theapparatusheputwpin John-stone was not known or put in operation beyond the immediate distriffj it is therefore noargument against the originality of Mr. Robinsons invention. We are of course quitewilling to give him equal credit for the discovery. For his good opinion of our labours,we feel highly obliged. W. Cross, Loughborough.—The parallel ruler he has sketched for us is too have no doubt of its answering the intended end; but the increase of working partswill more than counterbalance its superior action, except, perhaps, on a large scale. J ,. &AilmaruSt> 20 Feel PiattI// SHANKS S HACNIHI.
Size: 1397px × 1788px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1840, bookidpra, booksubjecttechnology
