| Description | Date | Identifier | |
| The laboratory testing and suitability of Maconit H.T. cable for chassis wiring. | 1st May 1926 | Box 52 \ 1 Scan070 | |
| Report comparing the performance of Maconite and standard Glover insulated cables for high tension wiring. | 2nd May 1926 | Box 52 \ 1 Scan071 | |
| Continued report on comparative testing of different H.T. cables, including 'Gloverite', 'Maconite', and 'Helsby' types. | 2nd May 1928 | Box 52 \ 1 Scan072 | |
| The condition of various H.T. ignition cables after extensive mileage tests. | 2nd May 1928 | Box 52 \ 1 Scan073 | |
| Results of electrical breakdown tests on different cable samples, concluding the superiority of Maconite cable. | 2nd May 1928 | Box 52 \ 1 Scan074 | |
| The quality and testing of H.T. ignition cables, recommending the standardisation of Maconites cable. | 3rd May 1928 | Box 52 \ 1 Scan075 | |
| Quality testing of Glover H.T. cable and comparing it with Maconlite cable. | 3rd May 1928 | Box 52 \ 1 Scan076 | |
| Test report on two faulty samples of Glover H.T. cable which failed under high voltage. | 3rd May 1928 | Box 52 \ 1 Scan077 | |
| Request for comparative prices of various high-tension (H.T.) cables, including Maconitem, Glover, and Gloverite wires. | 9th May 1928 | Box 52 \ 1 Scan078 | |
| Letter from W.T. Glover & Co. Ltd. regarding tests on 7mm high tension wire and recommending an alternative type. | 25th May 1928 | Box 52 \ 1 Scan079 | |
| Quotation from W.T. Glover & Co. Ltd for various high tension ignition flexible cables. | 25th May 1928 | Box 52 \ 1 Scan080 | |
| Quotation for cable from W.T. Glover & Co. Ltd. detailing an alternative price and payment terms. | 1st Jun 1928 | Box 52 \ 1 Scan081 | |
| Comparing Maconite, Glover, and Gloverite electrical cables for heat resistance and price. | 1st Jun 1928 | Box 52 \ 1 Scan082 | |
| The dangerous proximity of the magneto high tension lead to the exhaust pipe for the F.2.B chassis wiring. | 28th Jun 1928 | Box 52 \ 1 Scan083 | |
| Letter from W.T. Glover & Co Ltd following up on high tension ignition wire samples and a subsequent quote. | 20th Jul 1928 | Box 52 \ 1 Scan084 | |
| Ongoing testing of Gloverite and Super-Glover H.T. cables. | 21th Jul 1928 | Box 52 \ 1 Scan085 | |
| High-pressure testing of chassis H.T. cable insulation. | 1st Oct 1928 | Box 52 \ 1 Scan086 | |
| Confirming the handover of Helsby make H.T. cable for the 12-EX wiring system. | 1st Oct 1928 | Box 52 \ 1 Scan087 | |
| Requesting an update on the practical test results for Gloverite and Super Glover H.T. Cable samples. | 12th Oct 1928 | Box 52 \ 1 Scan088 | |
| The physical, chemical, and road testing of Gloverite and super-Glover H.T. cables compared to Maconites cable. | 15th Oct 1928 | Box 52 \ 1 Scan089 | |
| General specification of tests for a chassis high-tension ignition cable. | 23th Oct 1928 | Box 52 \ 1 Scan090 | |
| Test procedures for ignition cables, including voltage, heat, and chassis endurance tests. | 24th Oct 1928 | Box 52 \ 1 Scan091 | |
| Ignition wire tubing materials to mitigate heat exposure and prevent static induction. | 24th Oct 1928 | Box 52 \ 1 Scan092 | |
| Continued discussion on engine wiring phenomena and a suggestion to use earthed bakelite covered metal tubes. | 26th Oct 1928 | Box 52 \ 1 Scan093 | |
| Material and arrangement for 'SS' ignition wire tubing. | 26th Oct 1928 | Box 52 \ 1 Scan094 | |
| Use of metal versus bakelite tubing for ignition wires on an SS experimental chassis. | 1st Nov 1928 | Box 52 \ 1 Scan095 | |
| Comparative tests, suitability, and pricing of different ignition wiring cables. | 7th Nov 1928 | Box 52 \ 1 Scan096 | |
| Letter from W.T. Glover & Co. Ltd. requesting the results of practical tests on high tension ignition wire samples. | 4th Feb 1929 | Box 52 \ 1 Scan097 | |
| Comparing the suitability and cost of Gloverite and Super-Glover H.T. cables. | 8th Feb 1929 | Box 52 \ 1 Scan098 | |
| H.T. cable, confirming satisfaction with the current standard and declining to test a sample from E. Kalker & Co. | 2nd Feb 1929 | Box 52 \ 1 Scan099 | |
| Query regarding the ignition wiring specifications for S.S. chassis. | 26th Mar 1929 | Box 52 \ 1 Scan100 | |
| Rebuilding chassis 18-EX to test a sandwich system of H.T. wiring over 10,000 miles. | 24th May 1929 | Box 52 \ 1 Scan101 | |
| Observation of perished HT wiring due to exhaust heat on chassis 22EX, with a query about adding shielding. | 27th May 1929 | Box 52 \ 1 Scan102 | |
| Query regarding perished magneto H.T. wiring on an S.S. chassis due to exhaust heat. | 3rd Jun 1929 | Box 52 \ 1 Scan103 | |
| Heat damage to H.T. wiring tubes from the exhaust pipe and considering bakelite or shielded alternatives. | 5th Jun 1929 | Box 52 \ 1 Scan104 | |
| Instructions for the arrangement of H.T. ignition wiring sandwich systems on experimental S.S. chassis. | 5th Jun 1929 | Box 52 \ 1 Scan105 | |
| Instruction sheet regarding the unsatisfactory arrangement of the magneto H.T. wire on the 20HP chassis. | 5th Jun 1929 | Box 52 \ 1 Scan106 | |
| Instructions for re-routing an H.T. wire to be more unobtrusive and save time on fittings and mouldings. | 9th Dec 1924 | Box 52 \ 1 Scan107 | |
| Issues with the 20 HP chassis magneto high tension wire and proposing an alternative routing. | 6th Jun 1929 | Box 52 \ 1 Scan108 | |
| Routing of the H.T. magneto wire on a 20HP chassis to avoid mutual induction. | 10th Jun 1929 | Box 52 \ 1 Scan109 | |
| The routing of the H.T. magneto wire for a 20 HP chassis to avoid induced sparks. | 1st Jun 1929 | Box 52 \ 1 Scan110 | |
| Information on a new cable from the Metropolitan Electric Cable Company. | 26th May 1929 | Box 52 \ 1 Scan111 | |
| Responding to an inquiry about 'Rubite' cables. | 27th Jun 1929 | Box 52 \ 1 Scan112 | |
| Electrical experiments record sheet tracking the mileage of H.T. cables. | 24th Aug 1929 | Box 52 \ 1 Scan113 | |
| Extract from a report on the 1929 Olympia Motor Show regarding H.T. ignition wire protection methods. | 21th Oct 1929 | Box 52 \ 1 Scan114 | |
| Test log sheet for an HT ignition wiring sandwich system. | 19th Nov 1929 | Box 52 \ 1 Scan115 | |
| Experimental record sheet for an H.T. ignition wiring sandwich system. | 27th Sep 1929 | Box 52 \ 1 Scan116 | |
| Instruction sheet detailing the results of bench and chassis tests on various H.T. ignition cables. | 26th Nov 1929 | Box 52 \ 1 Scan117 | |
| The results of chemical tests performed on various electrical cable insulation materials. | 1st Dec 1924 | Box 52 \ 1 Scan118 | |
| Test results for inflammability and electrical breakdown on various material samples. | 8th Dec 1924 | Box 52 \ 1 Scan119 | |
| Test results for electrical breakdown of various materials under high voltage. | 8th Dec 1924 | Box 52 \ 1 Scan120 | |
| The 10,000-mile chassis test results for various electrical cables. | 8th Dec 1924 | Box 52 \ 1 Scan121 | |
| Test results of various electrical cables, detailing their performance and breakdown voltages. | 8th Dec 1924 | Box 52 \ 1 Scan122 | |
| Continued report on the electrical breakdown voltage testing of 'Maconite' and 'Glovite' cable samples. | 8th Dec 1924 | Box 52 \ 1 Scan123 | |
| Continued instruction sheet comparing the performance and durability of different electrical cables. | 1st Dec 1924 | Box 52 \ 1 Scan124 | |
| Instruction comparing the quality and usability of 'Super Glover' and 'Slovente' cables against the standard 'Maconite' cable. | 1st Dec 1924 | Box 52 \ 1 Scan125 | |
| Effects of exhaust heat on Phantom H.T. wiring tubes. | 5th Dec 1929 | Box 52 \ 1 Scan126 | |
| Comparative tests of various H.T. ignition cables for the chassis. | 6th Dec 1929 | Box 52 \ 1 Scan127 | |
| Test results for the physical and chemical properties of various dielectric cable materials. | 1st Dec 1929 | Box 52 \ 1 Scan128 | |
| Test results on the effects of heat and voltage breakdown for various cable insulation materials. | 6th Dec 1929 | Box 52 \ 1 Scan129 | |
| Test results for cracking effect and voltage breakdown on four types of cable insulation. | 1st Dec 1929 | Box 52 \ 1 Scan130 | |
| The endurance and electrical breakdown testing of various cable types on a Phantom I chassis. | 6th Dec 1929 | Box 52 \ 1 Scan131 | |
| Report comparing the performance and durability of different electrical cables, concluding Maconite is superior. | 12th Dec 1929 | Box 52 \ 1 Scan132 | |
| Report comparing Maconite, Gloverite, and Super Clover H.T. cables, including test results on Phantom I and Phantom II chassis. | 6th Dec 1929 | Box 52 \ 1 Scan133 | |
| Heat damage to H.T. wires near the exhaust, suggesting shielding and the use of varnished cambric covered Maconitem cable. | 1st Dec 1929 | Box 52 \ 1 Scan134 | |
| Alternative ignition wire tubing materials, including metal and bakelite, for the Phantom II. | 9th Dec 1929 | Box 52 \ 1 Scan135 | |
| Specification for H.T. Maconite covered wire. | 11th Dec 1929 | Box 52 \ 1 Scan136 | |
| General specification of tests on a chassis H.T. ignition cable. | 16th Jan 1930 | Box 52 \ 1 Scan137 | |
| Page detailing a series of electrical and durability tests for cables, including insulation and chassis trials. | 6th Feb 1930 | Box 52 \ 1 Scan138 | |
| Cover note regarding a letter and sample of 'Herculacker' Cables from The Concordia Electric Wire Co. Ltd. | 6th Feb 1930 | Box 52 \ 1 Scan139 | |
| Request to make up 12 lengths of standard H.T. cable with a standard Chater-lea terminal. | 7th Feb 1930 | Box 52 \ 1 Scan140 | |
| Reminder to Mr Brock from EFC regarding a request for standard H.T. cable. | 26th Feb 1930 | Box 52 \ 1 Scan141 | |
| Test results for Maconite Chassis H.T. Ignition Cable samples. | 14th Mar 1930 | Box 52 \ 1 Scan142 | |
| Defining the standard lengths of H.T. test leads for various ignition tests. | 15th Mar 1930 | Box 52 \ 1 Scan143 | |
| Recommendation to use Super Glover H.T. cable as an alternative to Maconite H.T. cable. | 24th Jun 1930 | Box 52 \ 1 Scan144 | |
| Experimental record sheet for testing all-Bakelite wiring tubes on a Phantom II engine. | 11th Aug 1930 | Box 52 \ 1 Scan145 | |
| Request to replace the H.T. wiring on chassis 24-EX with standard Maconite H.T. cable. | 8th Aug 1930 | Box 52 \ 1 Scan146 | |
| H.T. wiring tubes on the Phantom II chassis being damaged by heat from the exhaust pipe and the subsequent modifications. | 7th Nov 1930 | Box 52 \ 1 Scan147 | |
| Proposal for modifying the high-tension wiring on a 40/50 HP (Phantom II) engine to prevent damage from heat. | 11th Dec 1930 | Box 52 \ 1 Scan148 | |
| Cross-reference note regarding H.T. wiring and H.T. wiring tubes. | 31th Dec 1930 | Box 52 \ 1 Scan149 | |
| Letter from The De Lavaud Holdings Corporation discussing difficulties with a differential for a 20 HP car. | 7th Aug 1928 | Box 52 \ 1 Scan150 | |
| Letter regarding a design submission, with a handwritten follow-up note about a differential's performance. | 11th Aug 1928 | Box 52 \ 1 Scan151 | |
| Letter from De Lavaud Holdings Corporation promoting their Free Wheel Differential device. | 13th Aug 1928 | Box 52 \ 1 Scan152 | |
| Request to obtain mathematical papers from Mr. Sensaud de Lavaud regarding steering wobbles. | 18th Sep 1928 | Box 52 \ 1 Scan153 | |
| High-speed wobbles and proposing two experimental tests to reduce them. | 19th Sep 1928 | Box 52 \ 1 Scan154 | |
| Proposing two experimental tests to address high-speed wobbles, or 'shimmy', based on literature from Mr. Sensaud de Lavaud. | 19th Sep 1928 | Box 52 \ 1 Scan155 | |
| Technical letter discussing front axle modifications to improve stability by reducing wobbling and shunting. | 21th Sep 1928 | Box 52 \ 1 Scan156 | |
| Four potential methods for improving vehicle acceleration. | 16th Oct 1928 | Box 52 \ 1 Scan157 | |
| Letter to De Lavaud Holdings regarding the potential trial of their differential in a 20 HP car. | 24th Oct 1928 | Box 52 \ 1 Scan158 | |
| Letter from The De Lavaud Holdings Corporation acknowledging a letter and enclosing correspondence with Mr B. S. Day. | 26th Oct 1926 | Box 52 \ 1 Scan159 | |
| Letter from De Lavaud Holdings Corporation regarding the design of a differential, referencing a blueprint. | 26th Oct 1928 | Box 52 \ 1 Scan160 | |
| Conclusions from testing a freewheel system on a Talbot car. | 6th Nov 1928 | Box 52 \ 1 Scan161 | |
| Comparison of the sideshaft freewheel arrangement with the De Lavaud scheme for a 20 HP gearbox. | 11th Oct 1929 | Box 52 \ 1 Scan162 | |
| Ordering five wheels, tyres, and tubes from Dunlop Aero. | 22th Oct 1928 | Box 52 \ 1 Scan163 | |
| The performance and cooling system of a Phantom II Demonstrator car after two years of use in India. | 18th May 1932 | Box 52 \ 1 Scan164 | |
| Performance report detailing fuel consumption, steering, and suspension characteristics during a road test in India. | 13th May 1932 | Box 52 \ 1 Scan165 | |
| Car performance in India, detailing issues with suspension, brakes, and the engine after 10,600 miles. | 13th May 1932 | Box 52 \ 1 Scan166 | |
| Demonstration car's condition, noting clutch modifications and recurring issues with the K.S. Telegauge. | 13th May 1932 | Box 52 \ 1 Scan167 | |
| Reply to observations on vehicle performance, discussing improvements to cooling, steering, suspension, and the petrol gauge for tropical conditions. | 1st Jul 1932 | Box 52 \ 1 Scan168 | |
| Correspondence regarding the performance and potential sale of a Phantom II Demonstrator in India. | 22th Jul 1932 | Box 52 \ 1 Scan169 | |
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