| Description | Date | Identifier | |
| Series of recommendations for vehicle owners on how to manage cold weather issues, focusing on lubrication, battery maintenance, and starter motor usage. | 10th Dec 1930 | Box 50 \ 2 Scan103 | |
| Page discussing arrangements for starting large aero engines, including carburation and priming. | 10th Dec 1930 | Box 50 \ 2 Scan104 | |
| Standardisation of the 40/50 starter motor, battery arrangement, and conductor size. | 9th Feb 1922 | Box 50 \ 2 Scan105 | |
| Comparative tests of starting equipment on two different chassis. | 13th Feb 1922 | Box 50 \ 2 Scan106 | |
| Comparative analysis of C.A.V. and R.R. engine starting systems, focusing on battery performance and virtual resistance. | 13th Feb 1922 | Box 50 \ 2 Scan107 | |
| Analysis of starter motor electrical performance, comparing voltage drop and cable resistance in different scenarios. | 13th Feb 1928 | Box 50 \ 2 Scan108 | |
| Continued discussion on the starter system's ampere consumption during engine start. | 13th Aug 1922 | Box 50 \ 2 Scan109 | |
| Comparative test report on direct drive flywheel starters versus gearbox starters. | 18th Feb 1922 | Box 50 \ 2 Scan110 | |
| Comparison of C.A.V. and Bendix starter motor systems and arrangements. | 18th Feb 1922 | Box 50 \ 2 Scan111 | |
| Comparative test results for various batteries on a chassis starter motor. | 7th May 1924 | Box 50 \ 2 Scan112 | |
| Comparing engine cold-start performance with American cars, noting superior reliability. | 28th Feb 1929 | Box 50 \ 2 Scan113 | |
| Comparing the performance of Bosch, Bijur, and Westinghouse starter motors and generators. | 27th Apr 1920 | Box 50 \ 2 Scan114 | |
| Comparison and recommendation concerning Bijur and Westinghouse starter motors. | 27th Apr 1920 | Box 50 \ 2 Scan115 | |
| Performance comparison of Bijur and Westinghouse starter motors against a standard starter. | 27th Apr 1920 | Box 50 \ 2 Scan116 | |
| Potential omission of the epicyclic gear and comparing Bosch motors and generators with competitor models. | 27th Apr 1920 | Box 50 \ 2 Scan117 | |
| Report comparing Lucas, Bosch, and Bijur motors and generators for potential use in cars. | 27th Apr 1920 | Box 50 \ 2 Scan118 | |
| Internal memorandum comparing the Bijur motor to existing and Westinghouse options. | 27th Apr 1920 | Box 50 \ 2 Scan119 | |
| Graph comparing the torque versus current for three different starter motors. | 24th Apr 1920 | Box 50 \ 2 Scan120 | |
| Graph comparing the B.H.P and Torque against R.P.M for three different starter motors. | 26th Apr 1920 | Box 50 \ 2 Scan121 | |
| Graph comparing the RPM, current, and voltage drop of three different starter motors from Bosch, Bijur, and Westinghouse. | 26th Apr 1920 | Box 50 \ 2 Scan122 | |
| Comparative tests of Bijur, Westinghouse, and Bosch starter motors, recommending the Bijur model. | 29th May 1920 | Box 50 \ 2 Scan123 | |
| Starting procedures for aero engines and comparing different motors and gear ratios. | 29th May 1920 | Box 50 \ 2 Scan124 | |
| Extract from a note regarding the Bijur starting motor for the American chassis. | 1st Jul 1920 | Box 50 \ 2 Scan125 | |
| Parts for the American chassis, specifically a recommendation to use the Bijur starting motor. | 14th Jul 1920 | Box 50 \ 2 Scan126 | |
| Page 2 of a letter to Mr. Claude Johnson arguing for the use of the Bijur starting motor and urging an order be placed by August 5th. | 14th Jul 1920 | Box 50 \ 2 Scan127 | |
| Differences in American and British starter motor technology, materials, and standardization. | 14th Jul 1920 | Box 50 \ 2 Scan128 | |
| Letter to Mr. Claude Johnson regarding design practices for starter motors and generators. | 16th Jul 1920 | Box 50 \ 2 Scan129 | |
| Use of American-made parts on chassis, highlighting a disagreement over a starter motor. | 16th Jul 1920 | Box 50 \ 2 Scan130 | |
| Comparing the in-house R-R starter motor with the third-party Bijur motor, referencing experiences with Packard cars. | 16th Jul 1920 | Box 50 \ 2 Scan131 | |
| Standardizing parts, such as generators, between the UK and US factories for the 40/50 chassis. | 16th Jul 1920 | Box 50 \ 2 Scan132 | |
| Report discussing the quality of generators and dynamos from suppliers like Lucas and Bijur for upcoming car production. | 16th Jul 1920 | Box 50 \ 2 Scan133 | |
| Communication regarding the choice of switch for the Bijur Starter Motor on the chassis. | 19th Sep 1920 | Box 50 \ 2 Scan134 | |
| Experimental modification for the 'Condor' starter and switch. | 1st Jan 1921 | Box 50 \ 2 Scan135 | |
| Missing washer on a print for the 'Condor' starter gear and the provision of a revised print. | 7th Jan 1921 | Box 50 \ 2 Scan136 | |
| Fitting of parts for the 'Condor' engine switch control. | 4th Feb 1921 | Box 50 \ 2 Scan137 | |
| Testing and proposed modification of a Condor Starter Motor Switch. | 1st Mar 1921 | Box 50 \ 2 Scan138 | |
| Follow-up communication regarding a proposed modification to the Condor starter motor switch. | 5th Mar 1931 | Box 50 \ 2 Scan139 | |
| The standardization of a modification to the Condor engine starter switch. | 10th Mar 1921 | Box 50 \ 2 Scan140 | |
| Recommendation to retrospectively alter Condor engine starter switches to prevent a serious, life-threatening failure. | 5th Apr 1921 | Box 50 \ 2 Scan141 | |
| Circulating a standardisation sheet for the starter mechanism on Condor engines. | 1st Apr 1921 | Box 50 \ 2 Scan142 | |
| Enclosing two standardisation sheets for an experiment on the starter mechanism for Condor engines. | 8th Apr 1921 | Box 50 \ 2 Scan143 | |
| Alteration to the starter mechanism on Condor engines. | 8th Apr 1921 | Box 50 \ 2 Scan144 | |
| Cover note for a standardisation sheet regarding the starter mechanism on Condor engines. | 12th Apr 1921 | Box 50 \ 2 Scan145 | |
| Standardisation sheet for a starter mechanism on Condor engines and drawings for universal joint lubrication. | 12th Apr 1921 | Box 50 \ 2 Scan146 | |
| Cover letter for a standardisation sheet regarding the starter mechanism on Condor engines. | 12th Apr 1921 | Box 50 \ 2 Scan147 | |
| Cover note for a standardisation sheet on the starter mechanism for 'Condor' engines. | 16th Apr 1921 | Box 50 \ 2 Scan148 | |
| Note stating an experiment for the Condor starter mechanism is being put forward for standardisation. | 18th Apr 1921 | Box 50 \ 2 Scan149 | |
| Alteration to the standardisation sheet for the starter mechanism on Condor engines. | 18th Apr 1921 | Box 50 \ 2 Scan150 | |
| Cost and logistics of modifying the starter mechanism for Condor Engines. | 21th Apr 1921 | Box 50 \ 2 Scan151 | |
| Standardisation sheet for the Condor Engine Electrical Power Starter Switch, discussing consent from the Air Ministry and Admiralty. | 29th Apr 1921 | Box 50 \ 2 Scan152 | |
| Technical complexity and alternatives for implementing headlight dimmers. | 7th Dec 1920 | Box 50 \ 2 Scan153 | |
| Continued discussion on methods for reducing headlights, favouring a series parallel switch. | 3rd Jan 1921 | Box 50 \ 2 Scan154 | |
| Letter from Rolls Royce of America Inc. discussing the best scheme for headlamp dimmers for both English and American chassis. | 3rd Jan 1921 | Box 50 \ 2 Scan155 | |
| Letter discussing head-light and side-light configurations on American cars for the English market, comparing legal requirements and proposing a new combination. | 6th Nov 1920 | Box 50 \ 2 Scan156 | |
| Alternative methods for modifying a vehicle's headlight circuit. | 6th Nov 1920 | Box 50 \ 2 Scan157 | |
| Cover memo for documents from America regarding headlamps and oil pump gears. | 12th Aug 1926 | Box 50 \ 2 Scan158 | |
| Reprint from 'The Commercial Motor' titled 'Replacement or Renovation?' by The Electro-Ferrous Engineering Co., Ltd. | 24th Aug 1920 | Box 50 \ 2 Scan159 | |
| Article discussing the process of renovating worn parts using electro-deposition, from scrap-heap to finished stores. | 24th Aug 1920 | Box 50 \ 2 Scan160 | |
| Article detailing the process and benefits of repairing worn metal parts using electro-deposition, with photographic examples. | 5th Nov 1920 | Box 50 \ 2 Scan161 | |
| Letter complimenting The Electro-Ferrous Engineering Co Ltd on the successful testing of their iron depositing work. | 5th Nov 1920 | Box 50 \ 2 Scan162 | |
| Letter from The Electro-Ferrous Engineering Co. to Mr. Clark regarding their steel deposition process and a proposal to treat a sample part. | 11th Jan 1921 | Box 50 \ 2 Scan163 | |
| Letter to The Electro-Ferrous Eng. Co. Ltd. regarding trials on deposition systems and sending parts. | 13th Jan 1921 | Box 50 \ 2 Scan164 | |
| Iron depositing process by the Electro-Ferrous Eng. Company and arranging to send parts for trial. | 13th Jan 1921 | Box 50 \ 2 Scan165 | |
| Letter to The Electro Ferrous Eng. Co. Ltd. requesting the build-up of two small parts. | 18th Jan 1921 | Box 50 \ 2 Scan166 | |
| Iron depositing process by the Electro-Ferrous Engineering Company. | 18th Jan 1921 | Box 50 \ 2 Scan167 | |
| Letter to Mr. Saxby of The Electro-Ferrous Eng. Co. Ltd. regarding trials on deposition systems and the arrangement to send parts. | 13th Jan 1921 | Box 50 \ 2 Scan168 | |
| Letter from The Electro-Ferrous Engineering Co. proposing their steel 'Deposition' process for worn or undersized parts. | 11th Jan 1921 | Box 50 \ 2 Scan169 | |
| Letter providing positive feedback on tests of iron deposition on sample work. | 5th Nov 1920 | Box 50 \ 2 Scan170 | |
| Reprint from 'The Commercial Motor' discussing the renovation of worn parts via electro-deposition. | 24th Aug 1920 | Box 50 \ 2 Scan171 | |
| Article detailing the process of renovating worn vehicle parts using electro-deposition, developed during the war. | 24th Aug 1920 | Box 50 \ 2 Scan172 | |
| Letter regarding a quality issue with deposited parts where the coating on a pinion has started to peel off. | 5th Feb 1921 | Box 50 \ 2 Scan173 | |
| Letter confirming the upcoming dispatch of parts and the testing of a planet wheel. | 7th Feb 1921 | Box 50 \ 2 Scan174 | |
| Letter to Electro Ferrous Eng.Co,Ltd., regarding various parts requiring depositing. | 7th Feb 1921 | Box 50 \ 2 Scan175 | |
| High tension magnetos from French manufacturer S.E.V., including a booklet, blueprint, and price lists. | 12th Oct 1920 | Box 50 \ 2 Scan176 | |
| High tension magnetos made by S.E.V. in Issy (Seine). | 27th Jan 1921 | Box 50 \ 2 Scan177 | |
| French price list for S.E.V. magnetos, supplements, and spark plugs. | 1st Jul 1920 | Box 50 \ 2 Scan178 | |
| Confidential price list for S.E.V. magnetos, supplements, and spark plugs. | 1st Jul 1920 | Box 50 \ 2 Scan179 | |
| Quote from French firm S.E.V. for magnetos and the associated costs. | 1st Jun 1921 | Box 50 \ 2 Scan180 | |
| Declining an offer for S.E.V. magnetos and sparking plugs. | 2nd Jun 1921 | Box 50 \ 2 Scan181 | |
| The investigation of a failing S.E.V. magneto from a Delage car. | 7th Jul 1922 | Box 50 \ 2 Scan182 | |
| Continuation of a memo from Mr. Royce requesting an investigation into a magneto. | 7th Jul 1922 | Box 50 \ 2 Scan183 | |
| Confirming the dispatch of a S.E.V. magneto from a Delage vehicle by passenger train. | 10th Jul 1922 | Box 50 \ 2 Scan184 | |
| Instructions detailing the diagnosis and repair of a faulty SEV Magneto from a Delage Car. | 9th Aug 1922 | Box 50 \ 2 Scan185 | |
| Investigation report on a faulty S.E.V. magneto from a Delage car. | 10th Aug 1922 | Box 50 \ 2 Scan186 | |
| Page confirming a magneto does not need to be returned to West Wittering. | 10th Aug 1922 | Box 50 \ 2 Scan187 | |
| Fault with an S.E.V. magneto from a Delage car and its potential use for testing. | 12th Aug 1922 | Box 50 \ 2 Scan188 | |
| Confirming the handover of a S.E.V. magneto armature from a Delage car for fault diagnosis. | 8th Sep 1922 | Box 50 \ 2 Scan189 | |
| Sending S.E.V. magneto parts to the Stores for despatch. | 22th Sep 1922 | Box 50 \ 2 Scan190 | |
| Returning a faulty S.E.V. magneto (No. 186909) for repair due to corrosion from soldering flux. | 9th Sep 1922 | Box 50 \ 2 Scan191 | |
| Test results for S.E.V. Magnets carried out on the Watford type E.O.6.(c). | 7th Jan 1921 | Box 50 \ 2 Scan192 | |
| Instruction sheet detailing tests and measurements for an advance lever and sparking system. | 7th Jan 1923 | Box 50 \ 2 Scan193 | |
| The availability of a tested S.E.V. Double Spark Magneto for engine experiments. | 9th Jan 1924 | Box 50 \ 2 Scan194 | |
| Instruction to manufacture two sets of battery ignition contact points from gold-silver. | 19th Oct 1927 | Box 50 \ 2 Scan195 | |
| Potential new contact point material known as 'Post Office metal' for experimentation. | 20th Oct 1927 | Box 50 \ 2 Scan196 | |
| Request to make two sets of battery ignition contact points from a gold-silver alloy. | 1st Oct 1927 | Box 50 \ 2 Scan197 | |
| Letter from Johnson Matthey & Co. Limited detailing the composition of 'Post Office Metal' alloys. | 22th Oct 1927 | Box 50 \ 2 Scan198 | |
| Letter from W.H. Reynolds & Co. discussing mounting alloy samples and recommending Iridio-platinum. | 22th Oct 1927 | Box 50 \ 2 Scan199 | |
| Metal used for cutout contact points from suppliers Messrs. Reynolds and Johnson Matthey. | 24th Oct 1927 | Box 50 \ 2 Scan200 | |
| Order for gold-silver contact points on battery ignition screws. | 24th Jan 1928 | Box 50 \ 2 Scan201 | |
| Distributing blueprints of a modified Body Clearance Template for the Back Axle. | 22th Nov 1920 | Box 50 \ 2 Scan202 | |
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