| Description | Date | Identifier | |
| Steering worm and nut combinations to control reversibility. | 11th May 1927 | Box 17 \ 3 Scan151 | |
| Experiments and modifications for the improvement of the Phantom steering system. | 12th May 1927 | Box 17 \ 3 Scan152 | |
| Outstanding issues with car EAC-7, specifically the steering, rear brake drums, and radiator fan fitting. | 14th May 1927 | Box 17 \ 3 Scan153 | |
| EAC.7 geometry layout, postponing work in favour of a new scheme and other urgent tasks. | 20th May 1927 | Box 17 \ 3 Scan154 | |
| Trial results for a spring self-centering steering device and requesting new springs with different load ratings. | 24th May 1927 | Box 17 \ 3 Scan155 | |
| Experimental self-centering spring and a friction device for the Phantom steering column. | 26th May 1927 | Box 17 \ 3 Scan156 | |
| Differences in front axles and their effect on steering performance. | 9th Jun 1927 | Box 17 \ 3 Scan157 | |
| How to trial a shortened 'D' steering column on a Phantom by using blocks on the pedals. | 1st Jul 1927 | Box 17 \ 3 Scan158 | |
| Trial modifications for the Phantom steering system. | 14th Jul 1927 | Box 17 \ 3 Scan159 | |
| Requesting details to adapt a column support scheme for cars EAC.7 and EAC-8. | 8th Oct 1927 | Box 17 \ 3 Scan160 | |
| The experimental fitting of new stays to the E.A.C.7 chassis steering column. | 29th Oct 1927 | Box 17 \ 3 Scan161 | |
| Trial and effects of a return spring in the steering column. | 7th Nov 1927 | Box 17 \ 3 Scan162 | |
| Experiments to improve steering by altering the pendulum lever length and gear ratio. | 24th Nov 1927 | Box 17 \ 3 Scan163 | |
| Approval for the use of a 7.5' pendulum lever on car EAC.7 and the resulting steering ratio. | 1st Dec 1927 | Box 17 \ 3 Scan164 | |
| Requesting the production and fitting of parts for a standard type pendulum lever on an experimental chassis steering column. | 2nd Dec 1927 | Box 17 \ 3 Scan165 | |
| Refitting a standard type pendulum lever, listing required parts and correcting a part number. | 5th Dec 1927 | Box 17 \ 3 Scan166 | |
| Loss of steering lock issue caused by fitting a short pendulum lever. | 7th Dec 1927 | Box 17 \ 3 Scan167 | |
| Instructions for a shortened steering nut and cage on the Phantom chassis to increase the angular movement of the rocking shaft. | 13th Dec 1927 | Box 17 \ 3 Scan168 | |
| Shortened steering nut and cage for the Phantom Chassis to achieve greater angular movement. | 29th Dec 1927 | Box 17 \ 3 Scan169 | |
| Car performance, covering engine misfires, handling, and potential design improvements. | 31th Dec 1927 | Box 17 \ 3 Scan170 | |
| Continued note on the sequence starter, comparing it to the Phantom and 20 HP models. | 17th Jan 1928 | Box 17 \ 3 Scan171 | |
| Difficulties with a larger experimental worm gear of .900 pitch. | 17th Jan 1928 | Box 17 \ 3 Scan172 | |
| Alternative designs for Super Sports model pedals, covering support, manufacturing, and material considerations. | 19th Mar 1928 | Box 17 \ 3 Scan173 | |
| Adjustments to the steering wheel position for the Continental Phantom 15.EX. | 8th Feb 1928 | Box 17 \ 3 Scan174 | |
| The continued testing of a 9.5 inch pendulum lever to improve vehicle parking and reduce road shocks. | 9th Feb 1928 | Box 17 \ 3 Scan175 | |
| The 10,000-mile test of the 15-EX car in France, detailing ongoing steering and frame rigidity tests. | 2nd Feb 1928 | Box 17 \ 3 Scan176 | |
| 10,000-mile test report for the 15-EX test car, detailing its performance and condition. | 26th Feb 1928 | Box 17 \ 3 Scan177 | |
| Stability and customization of the Phantom Sports steering column. | 1st Mar 1928 | Box 17 \ 3 Scan178 | |
| Sizing and positioning of the Phantom steering wheel for Standard, Sports & Supersports models. | 5th Mar 1928 | Box 17 \ 3 Scan179 | |
| Letter discussing modifications to steering lubrication, undershields, rattles, and suspension for a car belonging to 'PN'. | 5th Mar 1928 | Box 17 \ 3 Scan180 | |
| Test report on steering column movement issues and subsequent modifications for the 15-EX chassis. | 7th Mar 1928 | Box 17 \ 3 Scan181 | |
| Resolving steering column vibrations and rattles in experimental car models 12-EX and 15-EX. | 7th Mar 1928 | Box 17 \ 3 Scan182 | |
| Adjustments to steering damping and pivot lean to manage high-speed wobbles and improve road handling. | 7th Mar 1928 | Box 17 \ 3 Scan183 | |
| Continued road test report detailing vehicle performance regarding suspension, coachwork, brakes, and engine. | 7th Mar 1928 | Box 17 \ 3 Scan184 | |
| Report page summarising performance observations, focusing on the need for damping in suspension and steering at different speeds. | 7th Mar 1928 | Box 17 \ 3 Scan185 | |
| Blueprint diagram comparing two designs for a column stay attachment, one effective and one not. | 8th Mar 1928 | Box 17 \ 3 Scan186 | |
| Blank document page with a Print Room stamp from Derby. | 8th Mar 1928 | Box 17 \ 3 Scan187 | |
| Blueprint analyzing steering column movement under different support conditions to find a cure for trouble. | 8th Mar 1928 | Box 17 \ 3 Scan188 | |
| The reverse side of a photograph marked with a purple print room stamp. | 8th Mar 1928 | Box 17 \ 3 Scan189 | |
| To halt production of the Continental Phantom's cast dash due to insufficient rigidity. | 9th Mar 1928 | Box 17 \ 3 Scan190 | |
| Modification to the steering nut and cage for the E.A.C.7. chassis to prevent the steering stop from fouling. | 9th Mar 1928 | Box 17 \ 3 Scan191 | |
| Static tests of the Phantom Sports steering column, focusing on frame deflection and torsional rigidity. | 9th Mar 1928 | Box 17 \ 3 Scan192 | |
| Static stiffness test results comparing a standard 40/50 chassis with a Continental Phantom chassis. | 9th Mar 1928 | Box 17 \ 3 Scan193 | |
| Experiments on measuring frame twist and torsional stiffness in vehicle chassis. | 9th Mar 1928 | Box 17 \ 3 Scan194 | |
| Report comparing frame twist percentages between two car models at various front wheel lifts. | 10th Mar 1928 | Box 17 \ 3 Scan195 | |
| Observations and suggestions regarding the rigidity of the cast dashboard for supporting the steering column on the 15-EX model. | 10th Mar 1928 | Box 17 \ 3 Scan196 | |
| Issues with the dash and steering column, focusing on how the dash flexes. | 6th Mar 1928 | Box 17 \ 3 Scan197 | |
| Modifications to the steering system for the 12-EX model, including changes to pivots, springs, and steering ratio. | 6th Mar 1928 | Box 17 \ 3 Scan198 | |
| The alteration of the overall steering ratio to 15/1 for Phantom Chassis 12-EX. | 22th Mar 1928 | Box 17 \ 3 Scan199 | |
| Bench tests comparing the efficiency of different lead steering worm and nut designs. | 22th Mar 1928 | Box 17 \ 3 Scan200 | |
| Steering system design, focusing on worm and nut type steering, road shock immunity, and friction improvements. | 19th Jul 1927 | Box 17 \ 3 Scan201 | |
| Analysis of friction in a spring-loaded cross steering tube scheme, including a comparison table of different axle conditions. | 19th Jul 1927 | Box 17 \ 3 Scan202 | |
| Comparison table of steering specifications for different Phantom series. | 23th Mar 1928 | Box 17 \ 3 Scan203 | |
| Stamped document from the Derby print room. | 23th Mar 1928 | Box 17 \ 3 Scan204 | |
| Steering improvements for the 20 HP and 45 HP models. | 25th Mar 1928 | Box 17 \ 3 Scan205 | |
| Layout of the 'SS' side steering tube, referencing drawing N.sch.2567. | 26th Mar 1928 | Box 17 \ 3 Scan206 | |
| Use of a friction damper on the 12-EX scuttle to solve issues of steering column waggle and customer complaints. | 27th Mar 1928 | Box 17 \ 3 Scan207 | |
| Semi-isolation scheme for a steering column using rubber to prevent squeaks and improve rigidity. | 27th Mar 1928 | Box 17 \ 3 Scan208 | |
| Blueprint showing a semi-isolation bolt assembly using rubber components. | 27th Mar 1928 | Box 17 \ 3 Scan209 | |
| The reverse side of a document showing a date stamp from the Print Room in Derby. | 27th Mar 1928 | Box 17 \ 3 Scan210 | |
| Technical review of steering system design, focusing on worm gears, helix angles, and damping friction for Phantom models. | 28th Mar 1928 | Box 17 \ 3 Scan211 | |
| Improvements to steering and axle design, including friction, damping, and weight reduction. | 30th Mar 1928 | Box 17 \ 3 Scan212 | |
| Relative positions and design differences of side lever mechanisms on the Phantom chassis. | 30th Mar 1928 | Box 17 \ 3 Scan213 | |
| Unsatisfactory method for staying the steering column to the dashboard on the EAC.14 model. | 30th Mar 1928 | Box 17 \ 3 Scan214 | |
| Potential steering modifications for J, F and M series vehicles. | 1st Apr 1928 | Box 17 \ 3 Scan215 | |
| Alternative proposals for the 'SS' steering box, comparing small versus large worm designs. | 4th Mar 1928 | Box 17 \ 3 Scan216 | |
| Requesting to expedite modifications for a steering column deflection measuring device. | 4th Apr 1928 | Box 17 \ 3 Scan217 | |
| Review of flexibility issues and proposed solutions for dashboards, scuttles, and steering columns on 20 HP & 40 HP models. | 4th Jul 1928 | Box 17 \ 3 Scan218 | |
| Potential purchase of a 1927 straight-eight Bugatti to study its road-holding characteristics. | 2nd Apr 1928 | Box 17 \ 3 Scan219 | |
| Steering leverage, worm gear specifications, and mounting options. | 16th Apr 1928 | Box 17 \ 3 Scan220 | |
| Steering system performance, flexibility, and comparisons with competitor vehicles. | 16th Apr 1928 | Box 17 \ 3 Scan221 | |
| Bump rig experiments conducted on a cast dash to measure steering column deflection and movement. | 4th Apr 1928 | Box 17 \ 3 Scan222 | |
| Steering column deflection, proposing modifications to the dash and suspension based on testing experimental cars. | 4th Apr 1928 | Box 17 \ 3 Scan223 | |
| Test results for steering column movement measured at the thrust race on a bumping rig. | 17th Apr 1935 | Box 17 \ 3 Scan224 | |
| Blueprint for an experimental stiffener for a cast dashboard undergoing bumping tests. | 17th Apr 1935 | Box 17 \ 3 Scan225 | |
| With a diagram discussing experiments on steering pivot geometry for directional stability. | 17th Apr 1935 | Box 17 \ 3 Scan226 | |
| The status and completion of pivots. | 8th Apr 1928 | Box 17 \ 3 Scan227 | |
| Proposals for stiffening the steering column on the sports chassis. | 8th Apr 1928 | Box 17 \ 3 Scan228 | |
| Proposal to improve the 20 HP model's appearance by cancelling the upright steering. | 18th Apr 1928 | Box 17 \ 3 Scan229 | |
| Outlining remarks and suggestions for the Phantom Scuttle Isolation design. | 20th Apr 1928 | Box 17 \ 3 Scan230 | |
| Possibility of dismounting the 'SS' steering column without removing the engine. | 21th Apr 1928 | Box 17 \ 3 Scan231 | |
| Improvements to the Phantom steering system, with comparisons to other vehicles and customer feedback. | 1st Apr 1928 | Box 17 \ 3 Scan232 | |
| Steering characteristics, skid correction, and comparisons between different steering systems on various car models. | 25th Apr 1928 | Box 17 \ 3 Scan233 | |
| Improvements to the Phantom steering system, comparing it to Hispano and suggesting hydraulic damping. | 25th Apr 1928 | Box 17 \ 3 Scan234 | |
| Various steering configurations and leverage ratios for Phantom models. | 28th Apr 1928 | Box 17 \ 3 Scan235 | |
| Necessity of increasing the pendulum lever length on the Phantom steering system to 10 inches. | 1st May 1928 | Box 17 \ 3 Scan236 | |
| Policy memo regarding the implementation of a 10-inch steering lever instead of a 9.5-inch lever, pending clearance checks. | 1st May 1928 | Box 17 \ 3 Scan237 | |
| Recommendation regarding the manufacturing specifications for lead steering nuts. | 1st May 1938 | Box 17 \ 3 Scan238 | |
| Reduced steering ratio for the Phantom model. | 2nd May 1928 | Box 17 \ 3 Scan239 | |
| From BJ to Hs enquiring about the testing status of a suggested steering type for the Phantom. | 2nd May 1928 | Box 17 \ 3 Scan240 | |
| Standardised modification to the Phantom steering by shortening the pendulum lever. | 3rd May 1928 | Box 17 \ 3 Scan241 | |
| Revising the steering column and magneto controls to eliminate 'click-on' type ball joints on the Phantom Chassis. | 4th May 1928 | Box 17 \ 3 Scan242 | |
| Modifications to the side steering tube for fitting a shortened pendulum lever on the Phantom 'F2' series chassis. | 4th May 1928 | Box 17 \ 3 Scan243 | |
| Fitting a 10,000' pendulum lever with a balanced side steering tube to the Phantom 'P-2-B' series chassis. | 4th May 1928 | Box 17 \ 3 Scan244 | |
| Changes to steering ratios by altering the worm and nut lead instead of the pendulum lever. | 7th May 1928 | Box 17 \ 3 Scan245 | |
| Recommending the standardisation of Phantom controls after successful testing on experimental cars. | 7th May 1928 | Box 17 \ 3 Scan246 | |
| Refitting of a 10.000' Pendulum Lever with a balanced side steering tube for the Phantom Chassis F.3.B Series. | 7th May 1928 | Box 17 \ 3 Scan247 | |
| The impact on driver's vision of installing a higher radiator on a Phantom. | 8th May 1928 | Box 17 \ 3 Scan248 | |
| Cures for steering complaints by altering ratios, worms, and springs. | 5th May 1928 | Box 17 \ 3 Scan249 | |
| Comparison table of steering conversions for 40/50 models to address complaints. | 1st May 1928 | Box 17 \ 3 Scan250 | |
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