Charles Bage, the Flax Industry and Shrewsbury’s Iron-Framed Mills , Image: View of Ditherington Mill in April 2003, the world’s first completely iron-framed building. The factory was built in 1796-1797 ...

Letter from Charles Bage to William Strutt ,1803/08/29[1], Experiment on a single Frame Dimensions A 7 Inches deep The bottom projection ¾ square on each side B 5 5/8 wide C 5 degrees H 5/8 degrees...

Letter from Charles Bage to William Strutt [no date], Concerning the strength of Beams If ABCD Fig 1 be the section of a beam where the strength is to be ascertained, it is not difficult to conceive...

Letter from Charles Bage to William Strutt [no date], the beam, and BD Fig 2 the Number of the particles in the perpendicular line; or in other words the Number of cd’s.

Letter from Charles Bage to William Strutt [no date], Horizontal Section Perpendicular Section Dear Sir In my last I troubled you with an account of an experiment on Spherical Arches with ...

Letter from Charles Bage to William Strutt [no date], pillar to support the Spherical Arches. Instead of the Rib Arch and Iron Bolt, I propose connecting the pillars by Arched plates of Cast Iron 5/8 ...

Letter from Charles Bage to William Strutt [no date], Plan of Iron framing for a roof where there are two pillars to support it … AB a frame cast in one piece, CD being its counterpart E a c...

Letter from Charles Bage to William Strutt [no date] [p1], Sir I feel myself much obliged by the attention you have been so good to bestow on my letter, and for the useful hints you have given me. Inve...

Letter from Charles Bage to William Strutt [no date] [p2], Iron 151 parts in 10000. Arguably to this, an Iron Beam 37”8 feet (our length) would expand 0,377 Inch by every addition of 10 degrees of he...

Letter from Charles Bage to William Strutt [no date] [p3], and I think yours do not exceed 4 Inches, the large way, even on the first floor. Our lower ones might have near 40 tons each to support, 10 feet ...

Letter from Charles Bage to William Strutt, 1802/10/15 [p1], Dear Sir I am greatly obliged to you for your letter, and am now taking the liberty to draw on you for another. We have ordered a retort & rece...

Letter from Charles Bage to William Strutt, 1802/10/15 [p2], AAA Boilers to supply a one or two horse Engine, and to Steam Boil the Boiling Bucking and Dying Vessels – Also to work the agitator, pump, ...