| Description | Date | Identifier | |
| Request to supply a carburettor, throttle, and induction pipe for chassis 2300 which were missing from a parts delivery. | 15th Jul 1914 | Box 4 \ 2 02-page47 | |
| Request for complete construction card records for chassis 2200, detailing missing component information and signatures. | 30th Jul 1914 | Box 4 \ 2 02-page48 | |
| The refusal to accept record cards for Chassis 2200 due to missing component details and lack of signatures. | 30th Jul 1914 | Box 4 \ 2 02-page49 | |
| Chasing a reply for the complete records for Chassis 2200. | 17th Aug 1914 | Box 4 \ 2 02-page50 | |
| Internal routing slip attaching a memo regarding an information request for an experimental car. | 13th Dec 1915 | Box 4 \ 2 02-page51 | |
| Request for the chassis test report and spring load particulars for chassis 2200 for Sir J. Wolfe Barry. | 12th Jan 1915 | Box 4 \ 2 02-page52 | |
| Request for the chassis test report for Chassis 2200. | 16th Jan 1915 | Box 4 \ 2 02-page53 | |
| Letter clarifying the purpose of a chassis test report and requesting specific vehicle weight information to recommend the correct springs for chassis 2200. | 18th Jan 1915 | Box 4 \ 2 02-page54 | |
| Page confirming the correctness of springs based on car weight. | 22th Nov 1926 | Box 4 \ 2 02-page55 | |
| Missing test report for the 'ex experimental' chassis 2200 and clarifying the reporting procedure. | 22th Nov 1926 | Box 4 \ 2 02-page56 | |
| Letter apologizing for the delay in sending a test report for chassis 2200. | 28th Jan 1915 | Box 4 \ 2 02-page57 | |
| Vehicle spring load capacity in relation to passengers and luggage, noting the current springs are overloaded. | 3rd Jun 1914 | Box 4 \ 2 02-page58 | |
| Excessively heavy car body, the required springs, and the weight being over the guarantee. | 9th Feb 1915 | Box 4 \ 2 02-page59 | |
| Chasing for a reply regarding the load suitability of present springs. | 9th Feb 1915 | Box 4 \ 2 02-page60 | |
| Spring load calculations and ordering a new set for chassis 2200 Barry. | 11th Feb 1915 | Box 4 \ 2 02-page61 | |
| Committee discussion regarding steering wobbles and returning out-of-balance tyres to the makers. | 15th May 1911 | Box 4 \ 3 03-page01 | |
| Steering wobbles caused by imbalances in the tyres and inner tubes. | 7th Sep 1911 | Box 4 \ 3 03-page02 | |
| Causes of steering wobbles and the results of tyre balancing tests. | 7th Sep 1911 | Box 4 \ 3 03-page03 | |
| Meeting minutes concerning a delay in response about returning unbalanced tires causing steering wobble. | 15th Nov 1911 | Box 4 \ 3 03-page04 | |
| Minutes from the 93rd meeting discussing tyre balance issues with Dunlop, Michelin, and Continental tyre companies. | 11th Feb 1928 | Box 4 \ 3 03-page05 | |
| Issue of steering wobbles. | 11th Feb 1928 | Box 4 \ 3 03-page06 | |
| Query regarding the policy for returning out-of-balance tyres that cause steering wobbles. | 23th Oct 1911 | Box 4 \ 3 03-page07 | |
| Meeting notes concerning steering wobbles and the uniformity of tires from makers. | 23th Oct 1911 | Box 4 \ 3 03-page08 | |
| Strategy of threatening to buy tyres from other makers to apply pressure on a supplier. | 4th Dec 1911 | Box 4 \ 3 03-page09 | |
| Meeting minutes discussing the balance of tyres with Dunlop and Michelin. | 4th Dec 1911 | Box 4 \ 3 03-page10 | |
| To Mr. Johnson discussing how to address tyre balance issues with suppliers. | 6th Dec 1911 | Box 4 \ 3 03-page11 | |
| Requesting figures from tests on steering wobble, with a note on the advisability of paying other workers. | 11th Jan 1912 | Box 4 \ 3 03-page12 | |
| Following up on a request for test figures on the balance of tyres and inner tubes in relation to steering wobble. | 11th Jan 1912 | Box 4 \ 3 03-page13 | |
| Customer feedback on wheel balancing issues caused by security bolt placement on Rudge-Whitworth wheels. | 7th Jun 1912 | Box 4 \ 3 03-page14 | |
| Out of balance issues caused by different brands of tyres and inner tubes. | 21th Mar 1912 | Box 4 \ 3 03-page15 | |
| Wheel balance issues caused by tubes and requesting the matter be taken up with the makers. | 7th Jun 1912 | Box 4 \ 3 03-page16 | |
| Departmental memo regarding a customer's feedback on wheel balancing issues with Rudge-Whitworth wheels. | 7th Jun 1912 | Box 4 \ 3 03-page17 | |
| Departmental memo regarding a matter raised by Mr. Gjers to be brought to the attention of Rudge Whitworth. | 11th Jun 1912 | Box 4 \ 3 03-page18 | |
| Letter from an ironmaster concerning the balance of wheels. | 30th Jul 1912 | Box 4 \ 3 03-page19 | |
| Balancing Rudge-Whitworth wheels, citing unequally spaced securing bolts as the issue. | 30th Jul 1912 | Box 4 \ 3 03-page20 | |
| Letter on Gjers, Mills & Co. Limited letterhead regarding the balance of a valve and tube. | 31th Jul 1912 | Box 4 \ 3 03-page21 | |
| The difference in steering feel between Rudge Whitworth wire wheels and wooden wheels using Palmer Cord tyres. | 31th Jul 1912 | Box 4 \ 3 03-page22 | |
| Departmental memo discussing the balance of front wheels and methods to overcome related difficulties. | 4th Jul 1912 | Box 4 \ 3 03-page23 | |
| Departmental memo regarding the rejection of a scheme proposed by Mr. Gjers. | 4th Jul 1912 | Box 4 \ 3 03-page24 | |
| Letter discussing the factors affecting the balance of front wheels. | 4th Jul 1912 | Box 4 \ 3 03-page25 | |
| Letter discussing wheel balancing in relation to inner tubes, valves, and balance weights. | 4th Jul 1912 | Box 4 \ 3 03-page26 | |
| Letter discussing the placement of security bolts for wheel balancing. | 4th Jul 1912 | Box 4 \ 3 03-page27 | |
| Letter to L. F. Gjers Esq. discussing the disadvantages of using balance washers on security bolts. | 4th Jul 1912 | Box 4 \ 3 03-page28 | |
| Letter to L. F. Gjers regarding the balancing and security bolt spacing on Rudge Whitworth front wheels. | 22th Aug 1912 | Box 4 \ 3 03-page29 | |
| The balancing of Rudge-Whitworth wheels and the steering effect of Palmer cord tyres. | 22th Aug 1912 | Box 4 \ 3 03-page30 | |
| Letter to L. P. Cjers Esq. regarding the effect of tyre weight on steering, with a handwritten note about filing. | 22th Aug 1912 | Box 4 \ 3 03-page31 | |
| Expressing serious concern over out-of-balance tyres causing high-speed wobble. | 14th Jul 1925 | Box 4 \ 3 03-page32 | |
| Mr. Royce's disapproval of a proposed scheme for attaching balance weights to wire wheels. | 1st Aug 1925 | Box 4 \ 3 03-page33 | |
| Construction of a gyroscopic apparatus to investigate high-speed steering wobbles. | 2nd Sep 1925 | Box 4 \ 3 03-page34 | |
| Letter from Dunlop regarding the dynamic balance of wheels and tyres. | 3rd Sep 1925 | Box 4 \ 3 03-page35 | |
| Proposed improvements to steering and suspension for Phantom and India models to reduce wobbles and road shocks. | 10th Sep 1925 | Box 4 \ 3 03-page36 | |
| Solutions for road shocks and high-speed wobble, involving a damped pendulum lever and other recommendations. | 14th Sep 1925 | Box 4 \ 3 03-page37 | |
| Causes of high-speed wheel wobble and proposed tests to resolve it. | 14th Sep 1925 | Box 4 \ 3 03-page38 | |
| Wheel wobble, tramping speed, and potential design solutions for axles and pivots. | 23th Sep 1925 | Box 4 \ 3 03-page39 | |
| Decisions made to address high speed steering wobbles in the Phantom model. | 23th Sep 1925 | Box 4 \ 3 03-page40 | |
| Notes on front axle modifications, weight reduction, and wheel design. | 24th Sep 1925 | Box 4 \ 3 03-page41 | |
| Material and appearance of front wheel balancing washers, suggesting the use of stainless steel. | 24th Sep 1925 | Box 4 \ 3 03-page42 | |
| Material choice and plating finish for front wheel balancing components. | 25th Sep 1925 | Box 4 \ 3 03-page43 | |
| Steering wobble and balance issues associated with Rapson tyres, especially balloon types. | 1st Oct 1925 | Box 4 \ 3 03-page44 | |
| Procedures and limits for testing tyres for 'out of truth'. | 7th Oct 1925 | Box 4 \ 3 03-page45 | |
| How tyres running out of true cause steering wobbles, particularly with low-pressure balloon tyres. | 6th Oct 1925 | Box 4 \ 3 03-page46 | |
| Page on addressing car wobble by swapping front and rear tyres. | 6th Oct 1925 | Box 4 \ 3 03-page47 | |
| Concepts of 'out-of-truth' and 'out-of-balance' in tyres and their effects. | 9th Oct 1925 | Box 4 \ 3 03-page48 | |
| Tyre dimensional errors comparing dynamometer testing to real-world road conditions. | 9th Oct 1925 | Box 4 \ 3 03-page49 | |
| Policy on 'out-of-truth' tyres and whether to issue warnings to customers. | 12th Oct 1925 | Box 4 \ 3 03-page50 | |
| How to word instructions for the instruction book about tyres that are 'out of truth'. | 21th Oct 1925 | Box 4 \ 3 03-page51 | |
| Issue of tyre out-of-truth and out-of-balance causing high-speed wobbles and the strategy for customer communication. | 16th Oct 1925 | Box 4 \ 3 03-page52 | |
| Seeking clarification from Mr. Royce on whether to further instruct customers about using tyres that are 'out of truth'. | 29th Oct 1925 | Box 4 \ 3 03-page53 | |
| The ongoing issue of balancing Silver Ghost wheels and referencing past reports. | 12th Nov 1925 | Box 4 \ 3 03-page54 | |
| 'out-of-truth' tyres, wheel balancing, and the suitability of high-pressure tyres over balloon tyres. | 14th Nov 1925 | Box 4 \ 3 03-page55 | |
| Proposal to balance the wheels of 'Silver Ghost' cars. | 16th Nov 1925 | Box 4 \ 3 03-page56 | |
| Draft letter to 'Silver Ghost' owners regarding steering wheel vibration and the importance of wheel balancing. | 1st Dec 1925 | Box 4 \ 3 03-page57 | |
| Wheel balancing issues, the effect of unbalanced hubs, and steering wobble on demonstration cars. | 1st Dec 1925 | Box 4 \ 3 03-page58 | |
| Observations of steering wobble and wheel balancing during a high-speed trial run. | 18th Dec 1925 | Box 4 \ 3 03-page59 | |
| Wheel balancing, addressing issues of hub bearing freeness and steering wobble. | 1st Dec 1925 | Box 4 \ 3 03-page60 | |
| Balancing of front wheels on Silver Ghost cars fitted with front wheel brakes. | 10th Dec 1925 | Box 4 \ 3 03-page61 | |
| Draft letter to 'Silver Ghost' owners regarding steering vibration and offering a free wheel balancing service. | 11th Dec 1925 | Box 4 \ 3 03-page62 | |
| Internal discussion on refining the wording for a letter to Silver Ghost owners about steering wheel vibration caused by out-of-balance wheels. | 11th Dec 1925 | Box 4 \ 3 03-page63 | |
| New wheel balancing scheme to avoid the appearance of three masses. | 22th Jul 1926 | Box 4 \ 3 03-page64 | |
| The wheel balancing requirements for a joint in an inner tube. | 25th Nov 1926 | Box 4 \ 3 03-page65 | |
| Impact of Dunlop's new inner tube joint position on wheel balancing schemes. | 25th Nov 1926 | Box 4 \ 3 03-page66 | |
| Wheel balancing tests for 33 x 6.75' tyres, focusing on inner tube joint positioning. | 26th Nov 1926 | Box 4 \ 3 03-page67 | |
| Wheel balancing issues related to the position of the inner tube joint. | 22th Jun 1928 | Box 4 \ 3 03-page68 | |
| Requesting a test on the effect of an unbalanced force on lengthened stub axles for an 'SS' front axle. | 22th Jun 1928 | Box 4 \ 3 03-page69 | |
| The out-of-balance specification for tyres on the 20 HP chassis. | 14th Feb 1930 | Box 4 \ 3 03-page70 | |
| Out-of-balance 6' tyres for 19' rims on a 20 HP chassis. | 18th Feb 1930 | Box 4 \ 3 03-page71 | |
| Increasing the number of balance weights on the 40/50 model car tyres. | 22th Feb 1930 | Box 4 \ 3 03-page72 | |
| Recommending a new instrument for measuring the pivot lean of the front axle. | 9th Apr 1930 | Box 4 \ 3 03-page73 | |
| Steering complaint from Sir Henry Segrave, detailing issues with an out-of-balance front wheel and incorrect pivot lean. | 11th Apr 1930 | Box 4 \ 3 03-page74 | |
| Request for an opinion on balancing a pair of wheels and tyres from Major Segrave's car. | 14th Apr 1930 | Box 4 \ 3 03-page75 | |
| The balancing issues with 'India Tyres' and their effect on vehicle steering. | 14th Apr 1930 | Box 4 \ 3 03-page76 | |
| Excessive out-of-balance condition of 'India' brand tyres from Major Segrave's car. | 23th Apr 1930 | Box 4 \ 3 03-page77 | |
| Defective 'India' 40/50 HP tyre being sent for replacement due to a manufacturing defect. | 24th Apr 1930 | Box 4 \ 3 03-page78 | |
| Unsuitability of balancing tyres by pairing imbalanced covers and tubes. | 25th Apr 1930 | Box 4 \ 3 03-page79 | |
| Proposing an increased limit for 20-inch wheels for discussion with the India Tyre Co. | 25th Apr 1930 | Box 4 \ 3 03-page80 | |
| Recommending an instrument for depots to check the Phantom II pivot lean to prevent steering issues. | 3rd May 1930 | Box 4 \ 3 03-page81 | |
| Results of Phantom II steering tests concerning pivot lean and toe-in. | 12th May 1930 | Box 4 \ 3 03-page82 | |
| Recommendations for resolving Phantom II steering complaints, focusing on wheel balance, tyre pressure, and pivot lean. | 13th Jun 1930 | Box 4 \ 3 03-page83 | |
| Technical notes on cross-steering tube adjustment, friction, and shock absorber loading. | 13th Jun 1930 | Box 4 \ 3 03-page84 | |
| Potential causes of poor steering, including a diagram for testing a cross-steering tube. | 13th May 1930 | Box 4 \ 3 03-page85 | |
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