Drawing of a plan view of a 2-2-2 Broad Gauge locomotive
Letter from Robert Stephenson to Mr. Brewin
Letter from George Stephenson to T. Brewin
Drawing of Barry Dock Railway Ocean Coal Company Class F 0-6-0ST Nos 47-49; 70-72; 99-1043752 4'8 1/2" Gauge Locomotive
Drawing of Cambrian Railway 4'8 1/2" Gauge Locomotive
Drawing of Barry Railway Class H 0-8-2T Nos 79-85 4'8 1/2" Gauge Locomotive
Side elevation of the Rocket locomotive engine
Sectional drawing of the engine boiler
Letter from Robert Stephenson to Samuel Smiles
Letter from Robert Stephenson to Samuel Smiles
Letter from Robert Stephenson to Samuel Smiles
Letter from Robert Stephenson to Samuel Smiles
Letter from Robert Stephenson to Samuel Smiles
Letter from Robert Stephenson to Samuel Smiles
Letter from Robert Stephenson to Samuel Smiles
Letter from Robert Stephenson to Samuel Smiles
Letter from Robert Stephenson to Samuel Smiles
Letter from Robert Stephenson to Samuel Smiles
Letter from Robert Stephenson to Samuel Smiles
Letter from Joseph Pease, Railway Office to Timothy Hackworth
Index of Difference Engine No. 2
Difference Engine index of parts.
Untitled. [Algebraic developments relating to various calculations]
Analytical Engine (appears incomplete).
Plan of Difference Engine No. 2. Tracing of BAB A/164.
On putting letters to drawings, in draft.
Rough draft of Universal Machine Tool. Designed and employed for obtaining the different motions.
Digit counting apparatus on the two upper wheel selectors.
Carriage with tens warning. Sheet 3.
General plan of Analytical Engine, quarter size.
Store variable selectors. Superseding drawing No 2.
Adding axis and wheels without framing
Plan of the figure wheels for one method of adding numbers.
Solution of two simultaneous equations
Index to drawings
Notation for the coefficients of the powers of x Computation of the coefficients of a polynomial from those of another divided by a linear term.
Frame of adding wheels
Plan of the calculating part of the Difference Engine
Plan and elevation of rising platform.
Motion for carrying the tens, plus and minus.
Section of adding wheels and framing.
A draft drawing labelled 'Sheet 3', showing card adding axis, mill adding axis, figure wheels, warning bar and lever and tens lifting slide.
Long pinions in the position for stepping. Adding wheels and short pinions behind long wheels.
General plan and detail of the driving of the calculating part of Difference Engine No. 2. Tracing of BAB A/161.
Plan of mill and store. First draft of revised store and mill connected.
End view and side elevation of driving and lifting apparatus.
Plan and elevation of bolts and advancing plate.
Rising platforms, advancing plate.
