| Description | Date | Identifier | |
| Dimensional change on the drawing for a brake drum liner. | 3rd May 1941 | Box 141 \ 2 scan0353 | |
| Requesting a dimension change on the drawing for the liner brake drum RG.2260. | 3rd May 1941 | Box 141 \ 2 scan0354 | |
| Letter to Price's Lubricants Ltd. clarifying that Belmoline R.B. Grease is not used on the Merlin engine. | 2nd Oct 1940 | Box 141 \ 2 scan0355 | |
| Confirming receipt of two sample tins of Belmoline H.M.P. grease from Price's Lubricants Ltd. | 14th Oct 1940 | Box 141 \ 2 scan0356 | |
| Instruction to line the narrow hand brake and increased foot brake lining on the new 40/50 rear axle with Ferodo Bonded Asbestos. | 11th Mar 1930 | Box 141 \ 3 scan0001 | |
| Potential use and testing of brake linings from supplier Brake Linings, Ltd. | 13th Mar 1930 | Box 141 \ 3 scan0002 | |
| Material change for Phantom 11 chassis clutch parts to a higher carbon steel for improved wear resistance. | 20th Mar 1930 | Box 141 \ 3 scan0003 | |
| Letter to Ferodo Ltd. regarding clutch troubles and arranging a visit from Mr. Hancock to discuss. | 24th Mar 1930 | Box 141 \ 3 scan0004 | |
| Internal request to order brake linings made of a new material called 'Mintex'. | 24th Mar 1930 | Box 141 \ 3 scan0005 | |
| Order for Phantom II and 20 HP servo linings. | 5th Apr 1930 | Box 141 \ 3 scan0006 | |
| Request for samples of woven cotton servo linings with more bonding material to prevent edge fraying. | 7th Apr 1930 | Box 141 \ 3 scan0007 | |
| Letter from British Belting & Asbestos Ltd. regarding woven cotton servo linings and riveting suggestions. | 10th Apr 1930 | Box 141 \ 3 scan0008 | |
| Letter to The British Belting & Asbestos Co. regarding an order for brake linings. | 10th Apr 1930 | Box 141 \ 3 scan0009 | |
| Letter from British Belting & Asbestos Ltd confirming the dispatch of brake liners for trial. | 16th Apr 1930 | Box 141 \ 3 scan0010 | |
| Order of parts from the British Belting & Asbestos Co., Ltd. | 7th May 1930 | Box 141 \ 3 scan0011 | |
| Gandy Belt Company's brake linings and a proposal to test them. | 14th Jul 1930 | Box 141 \ 3 scan0012 | |
| Brake lining tests from the Gandy Belt Manufacturing Company, detailing the performance of 'SAFEGUARD' lining. | 10th Jul 1930 | Box 141 \ 3 scan0013 | |
| Comparative material tests on wear resistance and co-efficient of friction for lining materials. | 30th Jul 1930 | Box 141 \ 3 scan0014 | |
| Follow-up letter from British Belting & Asbestos Ltd. requesting a performance report on supplied 'Mintex W' Brake Shoe Liners. | 30th Jul 1930 | Box 141 \ 3 scan0015 | |
| Letter to British Belting & Asbestos Ltd. regarding the unsuitability of their brake linings due to excessive squeaking. | 11th Aug 1930 | Box 141 \ 3 scan0016 | |
| Meeting with the Ferodo Company to discuss trouble with laminated linings. | 16th Aug 1930 | Box 141 \ 3 scan0017 | |
| Letter from a technical representative at British Belting & Asbestos Ltd. to arrange a meeting regarding Mintex brake lining material. | 16th Aug 1930 | Box 141 \ 3 scan0018 | |
| Letter from Ferodo Limited regarding the arrangement of a meeting to discuss clutch disc samples. | 4th Sep 1930 | Box 141 \ 3 scan0019 | |
| Clutch 'jagger' issue and correspondence with the Ferodo Co. | 7th Oct 1930 | Box 141 \ 3 scan0020 | |
| Letter from Ferodo Limited discussing the properties and dressing of their new clutch linings. | 3rd Oct 1930 | Box 141 \ 3 scan0021 | |
| Testimonial about the effectiveness of 'Duron' brake-lining material in preventing squeaks. | 13th Oct 1930 | Box 141 \ 3 scan0022 | |
| Order for three sets of 'Duron' Brake Linings. | 4th Nov 1930 | Box 141 \ 3 scan0023 | |
| The number of Phantom II chassis fitted with Ferbestos on the rear footbrakes. | 6th Nov 1930 | Box 141 \ 3 scan0024 | |
| The submission of new synthetic brake linings from Cresswell's Asbewtos Co.Ltd for internal testing. | 11th Nov 1930 | Box 141 \ 3 scan0025 | |
| Urgent order for special Ferodo brake linings for a 25HP chassis 18-G4. | 12th Nov 1930 | Box 141 \ 3 scan0026 | |
| Internal order for special 40/50 brake linings to be supplied in AMR.2 material. | 12th Nov 1930 | Box 141 \ 3 scan0027 | |
| Internal order for brake linings made from Duron material. | 18th Nov 1930 | Box 141 \ 3 scan0028 | |
| Internal office order cancelling a previous material order and placing a new one. | 18th Nov 1930 | Box 141 \ 3 scan0029 | |
| Urgent internal order request for 24 linings from supplier Messrs. Ferodo. | 5th Dec 1930 | Box 141 \ 3 scan0030 | |
| Order of brake linings from Messrs. Ferodo. | 8th Dec 1930 | Box 141 \ 3 scan0031 | |
| Advertisement for 'Telamite' brake lining from Geo. Angus & Co., Ltd. | 9th Nov 1921 | Box 141 \ 3 scan0032 | |
| Advertisement for 'Dorite' brand flexible couplings for motor cars and lorries. | 9th Nov 1921 | Box 141 \ 3 scan0033 | |
| Sample of new brake lining from Richard Klinger Ltd. for testing. | 14th Jan 1931 | Box 141 \ 3 scan0034 | |
| Testing brake linings from Richard Klinger Ltd. on a Phantom II vehicle. | 16th Jan 1931 | Box 141 \ 3 scan0035 | |
| Letter from Ferodo Limited to Mr. Hancock at Rolls Royce regarding a missed call and arranging a meeting. | 5th Feb 1931 | Box 141 \ 3 scan0036 | |
| The use of Ferobestos brake material, wear, adjustments, and its implications for cars dispatched to America. | 6th Feb 1931 | Box 141 \ 3 scan0037 | |
| Confirming a change in brake material to Ferodo and the use of air-cooled brake drums for N.2 series chassis. | 6th Feb 1931 | Box 141 \ 3 scan0038 | |
| Letter to Messrs. Ferodo Ltd. arranging a meeting to discuss brake linings. | 11th Feb 1931 | Box 141 \ 3 scan0039 | |
| Letter to Ferodo Ltd. requesting specific brake linings and discussing cast-iron brake drum efficiency. | 14th Feb 1931 | Box 141 \ 3 scan0040 | |
| To Mr. Hancock requesting a requisition for Ferodo clutch discs and liners. | 24th Feb 1931 | Box 141 \ 3 scan0041 | |
| Confirming that brake liners from Ferodo are being supplied free of charge for testing purposes. | 24th Feb 1931 | Box 141 \ 3 scan0042 | |
| Order for six sets of clutch linings for a servo mechanism. | 10th Mar 1931 | Box 141 \ 3 scan0043 | |
| Letter to Messrs Ferodo Ltd. requesting 6 sets of material similar to previously sent samples for trial. | 10th Mar 1931 | Box 141 \ 3 scan0044 | |
| Letter to British Belting & Asbestos Ltd. regarding a request for free brake linings for testing. | 27th Mar 1931 | Box 141 \ 3 scan0045 | |
| List of servo and brake linings with part numbers and quantities for 40/50 and 20 HP models. | 27th Mar 1931 | Box 141 \ 3 scan0046 | |
| Internal request to obtain various sets of new brake linings from a supplier for testing on experimental cars. | 27th Mar 1931 | Box 141 \ 3 scan0047 | |
| Letter of introduction for a representative of 'Ibex' brake lining. | 30th Mar 1931 | Box 141 \ 3 scan0048 | |
| Letter to Ferodo Ltd. regarding the progress of brake lining and servo lining tests. | 1st Apr 1931 | Box 141 \ 3 scan0049 | |
| Letter to Messrs Ferodo Ltd regarding disappointing test results of a new brake lining. | 20th Apr 1931 | Box 141 \ 3 scan0050 | |
| Letter from British Belting & Asbestos Ltd concerning 'Mintex 730' friction material for servo motor discs. | 7th Apr 1931 | Box 141 \ 3 scan0051 | |
| The wear characteristics of Mintex 730 and Ferobestos materials. | 31th Mar 1931 | Box 141 \ 3 scan0052 | |
| Attached letter from British Belting & Asbestos Ltd concerning an order for brake linings. | 29th Apr 1931 | Box 141 \ 3 scan0053 | |
| Letter from a supplier regarding the dispatch of trial brake and servo linings. | 28th Apr 1931 | Box 141 \ 3 scan0054 | |
| Internal request to order front and rear brake strap liners from British Belting & Asbestos Ltd. | 11th May 1931 | Box 141 \ 3 scan0055 | |
| Letter to British Belting & Asbestos Ltd. regarding the failure of their 'Mintex 730' material during testing. | 14th May 1931 | Box 141 \ 3 scan0056 | |
| Dispatch of a piece of Mintex 730 brake lining material used for testing purposes. | 14th May 1931 | Box 141 \ 3 scan0057 | |
| Letter from British Belting & Asbestos Ltd regarding a complaint and return of 'Mintex LAM 730' material. | 15th May 1931 | Box 141 \ 3 scan0058 | |
| Request for instructions regarding an outstanding balance of brake shoe liners held by supplier Ferodo Ltd. | 2nd Jun 1931 | Box 141 \ 3 scan0059 | |
| Letter to Eric D. Dalmaine regarding the failure of Mintex LAM.730 brake lining material. | 23th Jun 1931 | Box 141 \ 3 scan0060 | |
| Letter from an import-export company regarding samples of 'JURID' brake lining. | 23th Jun 1931 | Box 141 \ 3 scan0061 | |
| Letter from British Belting & Asbestos Ltd. regarding tests on Mintex Lam 730 material. | 25th Jun 1931 | Box 141 \ 3 scan0062 | |
| Letter concerning the effect of water on brake linings, detailing results from laboratory and road tests. | 18th Jul 1931 | Box 141 \ 3 scan0063 | |
| Letter from Ferodo Limited requesting an update on experiments with special quality brake linings. | 18th Sep 1931 | Box 141 \ 3 scan0064 | |
| Letter to Ferodo Limited regarding the unsuccessful trial of their special brake linings to eliminate squeaks. | 23th Sep 1931 | Box 141 \ 3 scan0065 | |
| Issues with layered brake lining and a proposed design change to prevent squeaking brakes. | 28th Oct 1931 | Box 141 \ 3 scan0066 | |
| Letter from Ferodo Limited regarding a set of Bonded Asbestos Die-Pressed Liners sent for testing. | 2nd Nov 1931 | Box 141 \ 3 scan0067 | |
| Letter to Ferodo Ltd. acknowledging receipt of brake liners for testing. | 12th Nov 1931 | Box 141 \ 3 scan0068 | |
| Requesting another set of brake linings for the Phantom II and a set for the 25 HP. | 4th Jan 1932 | Box 141 \ 3 scan0069 | |
| Letter to supplier Ferodo Limited regarding an increase in the specification for brake lining thickness. | 7th Jan 1932 | Box 141 \ 3 scan0070 | |
| Standardisation of R.A.D.11 Ferodo Clutch Lining Scarf Joint Chemically Bonded. | 6th Jan 1932 | Box 141 \ 3 scan0071 | |
| Implementation and costs for fitting a new part to a chassis. | 9th Jan 1932 | Box 141 \ 3 scan0072 | |
| Letter of complaint regarding faulty woven cotton discs for torque reaction dampers supplied by The British Belting & Asbestos Ltd. | 9th Jan 1932 | Box 141 \ 3 scan0073 | |
| Letter from a supplier discussing issues with shock absorber rings and arranging a meeting. | 12th Jan 1933 | Box 141 \ 3 scan0074 | |
| Letter confirming a meeting appointment with Mr. E.D. Dalmaine. | 13th Jan 1932 | Box 141 \ 3 scan0075 | |
| Confirming the receipt of two sets of 'Ferodo ML' Linings to be sent to the Experimental Department. | 8th Mar 1932 | Box 141 \ 3 scan0076 | |
| The fitting of 'Ferodo ML' brake linings to vehicle 25-EX. | 9th Mar 1932 | Box 141 \ 3 scan0077 | |
| The test results and rejection of Cresswell brake linings for the Phantom II. | 9th Mar 1932 | Box 141 \ 3 scan0078 | |
| Visit to the British Belting & Asbestos Company regarding glazing issues with cotton duck friction surfaces. | 17th Mar 1932 | Box 141 \ 3 scan0079 | |
| Letter to Messrs. Lake & Elliott Ltd. requesting a sample of their patent Millennium Brake Shoe. | 19th Mar 1932 | Box 141 \ 3 scan0080 | |
| Performance of various brake and clutch materials, concluding Ferodo is the best option found so far. | 22th Mar 1932 | Box 141 \ 3 scan0081 | |
| Requesting an order be issued to Ferodo's for sample discs for a 25HP slipper wheel. | 7th Apr 1932 | Box 141 \ 3 scan0082 | |
| Results of tests on servo fabrics and instructing a change in material. | 9th Apr 1932 | Box 141 \ 3 scan0083 | |
| Requesting an order for four discs for slipper wheels from Messrs. Ferodo Ltd. | 11th Apr 1932 | Box 141 \ 3 scan0084 | |
| Order for 3 dozen Ferodo discs for 20HP low inertia dampers. | 14th Apr 1932 | Box 141 \ 3 scan0085 | |
| Urgent internal memo requesting the order of two sets of special Ferodo brake linings for Phantom II cars. | 25th Apr 1932 | Box 141 \ 3 scan0086 | |
| Request for six new Ferobestos fabric samples to replace problematic Ferodo discs used in spring drives. | 3rd May 1932 | Box 141 \ 3 scan0087 | |
| Letter to Ferodo Ltd. requesting information on the differences between materials GJO11 and HE517. | 9th May 1932 | Box 141 \ 3 scan0088 | |
| Promotional letter from Brake Linings Limited detailing 1932 race victories using their 'DURON' brake linings. | 30th Jun 1932 | Box 141 \ 3 scan0089 | |
| Attached letter and samples of 'Bete' brake lining, requesting feedback on whether new linings are required. | 13th Aug 1932 | Box 141 \ 3 scan0090 | |
| Letter to Bentley Motors regarding a new brake lining product from BTBE LIMITED. | 23th Jul 1932 | Box 141 \ 3 scan0091 | |
| Declining to test 'Bete' brake linings, stating a preference to continue using Ferodo. | 16th Aug 1932 | Box 141 \ 3 scan0092 | |
| Letter to British Belting & Asbestos Ltd requesting samples of brake linings and friction discs for testing. | 16th Aug 1932 | Box 141 \ 3 scan0093 | |
| Letter from British Belting & Asbestos Ltd. regarding a discrepancy in an order for linings and the impracticability of manufacturing a cotton duck disc. | 19th Aug 1932 | Box 141 \ 3 scan0094 | |
| Letter to a supplier clarifying the quantity of linings required to equip a complete car. | 22th Aug 1932 | Box 141 \ 3 scan0095 | |
| Inertia machine test graph showing coefficient of friction and temperature versus the number of stops for a brake material. | 27th Jul 1932 | Box 141 \ 3 scan0096 | |
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