| Description | Date | Identifier | |
| Price increase and testing of H.T. cable for 20 HP and 40/50 HP chassis. | 10th May 1926 | Box 168 \ 1 img030 | |
| Instructions for an environmental exposure test on 'Maconite' H.T. ignition cable. | 11th May 1926 | Box 168 \ 1 img031 | |
| Instructions for a three-month outdoor exposure test comparing a standard H.T. ignition cable with a Maconit sample. | 29th Jun 1929 | Box 168 \ 1 img032 | |
| The flammability and softening temperature of Maconita insulated H.T. cables for chassis. | 14th May 1926 | Box 168 \ 1 img033 | |
| Complaint and testing of 'Maconite' High Tension Cable. | 14th May 1926 | Box 168 \ 1 img034 | |
| On the testing of Maconitematerial, suggesting further experiments on other wires. | 15th May 1926 | Box 168 \ 1 img035 | |
| Laboratory report on the effects of heating two samples of high tension cable in an air bath. | 17th May 1926 | Box 168 \ 1 img036 | |
| Cover note for a report on experiments with 'Maconite' insulated H.T. cables for chassis. | 21th May 1926 | Box 168 \ 1 img037 | |
| The heat and flammability tests of Maconinte H.T. Ignition Cable compared to a standard cable. | 19th May 1926 | Box 168 \ 1 img038 | |
| Suggesting a comparative test for Maconitem insulated cables due to past issues with H.T. cable insulation rotting and cracking. | 26th May 1926 | Box 168 \ 1 img039 | |
| Further tests on Macon insulated cables and sending a sample for an expert opinion. | 28th May 1926 | Box 168 \ 1 img040 | |
| The testing and evaluation of a sample of Maconit H.T. cable. | 28th May 1926 | Box 168 \ 1 img041 | |
| Proposal to modify the ignition wiring on specific chassis to test MaconIte H.T. cable. | 4th Jun 1926 | Box 168 \ 1 img042 | |
| Comparative testing of Maconites insulated H.T. cables against standard types for chassis wiring. | 8th Jun 1926 | Box 168 \ 1 img043 | |
| High voltage test report comparing the merits of Maconite, Glover's, and Helsby ignition cables. | 7th Jun 1926 | Box 168 \ 1 img044 | |
| Correspondence regarding manufacturing differences in two samples of Maconita H.T. Cable from supplier W.T. Glover & Co. Ltd. | 9th Jun 1926 | Box 168 \ 1 img045 | |
| Letter from W.T. Glover & Co. Ltd. discussing cable samples and their specifications. | 8th Jun 1926 | Box 168 \ 1 img046 | |
| Cover letter for a report on comparative tests of Maconita H.T. insulating cable. | 2nd Sep 1926 | Box 168 \ 1 img047 | |
| Test report comparing the insulation properties of 'Maconite' and 'Glover' H.T. ignition cables after atmospheric exposure. | 31th Aug 1926 | Box 168 \ 1 img048 | |
| Order for Maconité H.T. cable, referencing a previous returned order. | 21th Jan 1927 | Box 168 \ 1 img049 | |
| Request to remove and inspect Macon-ite H.T. wires from chassis 12-EX, replacing them with standard Glover cable. | 21th Jan 1927 | Box 168 \ 1 img050 | |
| Supply of Maconite H.T. cable for a 10,000 mile test on a 20 HP chassis 10-GIII. | 15th Feb 1927 | Box 168 \ 1 img051 | |
| Comparative destructive testing of H.T. wires from chassis 11-GLII. | 5th Apr 1927 | Box 168 \ 1 img052 | |
| Instructions to replace and continue testing Maconit H.T. wires after a 20,000-mile test. | 23th May 1927 | Box 168 \ 1 img053 | |
| Comparative testing and costs of H.T. ignition cables from various suppliers. | 8th Dec 1927 | Box 168 \ 1 img054 | |
| Collection of Maconite and Glover H.T. ignition cables from various test cars for comparative laboratory testing. | 12th Dec 1927 | Box 168 \ 1 img055 | |
| Confirming the replacement of Maconite wires with standard Glover wires on engine 10-G3. | 8th Dec 1927 | Box 168 \ 1 img056 | |
| Comparing the prices of 'Maconite' and 'Glover's' H.T. ignition cables and arranging for test samples to be sent. | 24th Jan 1928 | Box 168 \ 1 img057 | |
| Instructions detailing the results of tests on chassis H.T. ignition cables. | 28th Apr 1928 | Box 168 \ 1 img058 | |
| Test report on the mileage and electrical properties of 'Maconite' and 'Glover' wires. | 8th Dec 1924 | Box 168 \ 1 img059 | |
| The physical condition of cable samples and the procedure for electrical breakdown testing. | 9th Dec 1924 | Box 168 \ 1 img060 | |
| High voltage breakdown tests comparing the performance of 'Maconite' and 'Glover' materials. | 9th Dec 1924 | Box 168 \ 1 img061 | |
| Instruction note regarding the comparative testing and standardisation of H.T. ignition cables. | 8th Dec 1924 | Box 168 \ 1 img062 | |
| The laboratory testing and suitability of Maconinte H.T. cable for chassis use, comparing it to standard Glover cable. | 2nd May 1928 | Box 168 \ 1 img063 | |
| Comparative testing of Maconites and standard Glover insulated cables for use as H.T. wire. | 2nd May 1928 | Box 168 \ 1 img064 | |
| The comparative testing of various electrical cables, including 'Gloverite', 'Super-Glover H.T.', 'Helsby' and 'Maconite' types. | 2nd May 1928 | Box 168 \ 1 img065 | |
| Examination and observation report on the condition of various H.T. ignition cables after extensive mileage. | 2nd May 1928 | Box 168 \ 1 img066 | |
| Results of electrical breakdown tests conducted on various cable samples, comparing 'Glover' and 'Maconite' types. | 2nd May 1928 | Box 168 \ 1 img067 | |
| The quality of H.T. ignition cables, recommending the standardisation of Maconites cable for the present. | 19th Apr 1926 | Box 168 \ 1 img068 | |
| Electrical experimental record sheet for 'Maconite' high tension wires. | 19th Apr 1926 | Box 168 \ 1 img069 | |
| Experimental record sheet for 'Maconite' high tension wires. | 19th Apr 1926 | Box 168 \ 1 img070 | |
| Experimental record sheet for 'Maconite' high tension wires, tracking mileage and tests. | 19th Apr 1926 | Box 168 \ 1 img071 | |
| Electrical experimental record sheet for 'Macomite' High Tension wires. | 19th Apr 1926 | Box 168 \ 1 img072 | |
| The quality testing of Glover H.T. cable and comparing its performance to Maconite cable. | 3rd May 1928 | Box 168 \ 1 img073 | |
| Test report on two samples of Glover H.T. cable which were found to be of poor quality after voltage testing. | 3rd May 1928 | Box 168 \ 1 img074 | |
| Standardisation of 'Maconite' insulated H.T. wires for chassis parts. | 14th May 1928 | Box 168 \ 1 img075 | |
| The standardisation of chassis parts, including implementation questions and an approval table. | 24th Mar 1938 | Box 168 \ 1 img076 | |
| Comparing the performance and price of different electrical cables. | 1st Jun 1928 | Box 168 \ 1 img077 | |
| Confirming the outside diameter of the Maconite H.T. cable is the same as the Glover cable currently in use. | 1st Jun 1928 | Box 168 \ 1 img078 | |
| Quality testing of a Maconit chassis H.T. cable following a failure. | 1st Oct 1928 | Box 168 \ 1 img079 | |
| Voltage test results for production Maconite H.T. cable. | 22th Oct 1928 | Box 168 \ 1 img080 | |
| Experimental record sheet for H.T. wires and cables, tracking mileage and test results. | 2nd Nov 1928 | Box 168 \ 1 img081 | |
| Proposal for alternative ignition wire tubing materials, metal or bakelite, for the Phantom II model. | 9th Dec 1929 | Box 168 \ 1 img082 | |
| Specification for the present standard H.T. Maconite covered wire. | 11th Dec 1929 | Box 168 \ 1 img083 | |
| Test results for eleven samples of production Maconit H.T. cable after water immersion. | 21th Jan 1930 | Box 168 \ 1 img084 | |
| Proposal to change Phantom II ignition wire tubes from steel with vulcanite to aluminium with a paper lining. | 14th Jan 1930 | Box 168 \ 1 img085 | |
| Test report for Maconites chassis high-tension ignition cable. | 14th Mar 1930 | Box 168 \ 1 img086 | |
| New and replaced drawings for wire fitting aluminium tubes on the 40/50HP chassis. | 11th Feb 1930 | Box 168 \ 1 img087 | |
| Critiquing the design of Phantom II ignition wire tubes and proposing improvements. | 25th Feb 1930 | Box 168 \ 1 img088 | |
| Extract from Mr. Hancock's report on vehicle 23-EX after 5,000 miles, concerning ignition wires and aluminium tubes. | 4th May 1930 | Box 168 \ 1 img089 | |
| Prints of new parts for the 40/50HP & L.H.S.S. Chassis wire fittings. | 13th May 1930 | Box 168 \ 1 img090 | |
| Extract from Mr. Hancock's report on the condition of ignition wires and tubes on vehicle 23-EX after 9,000 miles. | 21th May 1930 | Box 168 \ 1 img091 | |
| Decision to omit paper lining from the wiring tubes on the L.H. Phantom Chassis. | 22th May 1930 | Box 168 \ 1 img092 | |
| Phantom II ignition wire damage from exhaust heat and proposed remedies. | 5th Jun 1930 | Box 168 \ 1 img093 | |
| Suggestion to use enamelled aluminium H.T. wiring tubes for the 20 HP chassis. | 23th Jun 1930 | Box 168 \ 1 img094 | |
| Recommendation to use Super Glover H.T. cable as a substitute for Maconites H.T. cable. | 24th Jun 1930 | Box 168 \ 1 img095 | |
| Standardisation of chassis parts for aluminium ignition tubes without ebonite covering. | 11th Jun 1930 | Box 168 \ 1 img096 | |
| Performance and mileage log for all-aluminium wiring tubes fitted to a Phantom II engine. | 4th Sep 1930 | Box 168 \ 1 img097 | |
| Instructions detailing parts required for an experiment on a 20/25HP Chassis concerning aluminium ignition tubes. | 9th Jul 1930 | Box 168 \ 1 img098 | |
| Fitting aluminium ignition tubes to a 20/25 HP chassis for a 10,000-mile test with a view to standardisation. | 3rd Sep 1930 | Box 168 \ 1 img099 | |
| Test report on Maconite H.T. ignition cable. | 2nd Dec 1930 | Box 168 \ 1 img100 | |
| Extract from a monthly customer complaint report about Magneto H.T. wires for Phantom I and II models. | 16th Jan 1931 | Box 168 \ 1 img101 | |
| Proposed modification to the H.T. magneto wiring due to overheating. | 11th Dec 1930 | Box 168 \ 1 img102 | |
| Extract from a 6,000-mile report on chassis 18-CIV, detailing improvements to the ignition wires. | 18th Dec 1930 | Box 168 \ 1 img103 | |
| Suggestion to replace a brown bakelite elbow with a black enamelled aluminium casting for improved appearance and cost. | 29th Jan 1931 | Box 168 \ 1 img104 | |
| Extract from a 10,000-mile report concerning ignition wires and an aluminium tube. | 30th Jan 1931 | Box 168 \ 1 img105 | |
| Proposals to reduce the cost of ignition wiring tubes for the P. 2. | 25th Apr 1931 | Box 168 \ 1 img106 | |
| Failure of an H.T. wire on a Phantom II, confirming its insulation is standard and a better support is being investigated. | 8th Jun 1931 | Box 168 \ 1 img107 | |
| Ignition failure on an experimental Phantom II chassis due to the H.T. wire from the coil to distributor breaking down. | 9th Jul 1931 | Box 168 \ 1 img108 | |
| Powdery substance appearing on the high tension ignition wires of experimental engines, likely caused by heat radiation. | 19th Dec 1931 | Box 168 \ 1 img109 | |
| Powdery substance observed on ignition wires, identifying it as harmless resin from varnish. | 21th Dec 1931 | Box 168 \ 1 img110 | |
| On testing an H.T. wire, concluding the issue was moisture at the magneto end. | 21th Jan 1932 | Box 168 \ 1 img111 | |
| Test report on St Helens Cable & Rubber Co's high-tension and wiring cables, detailing high voltage breakdown and chemical effects. | 23th May 1932 | Box 168 \ 1 img112 | |
| Test report on the effects of oil immersion and heat on various electrical cables. | 23th May 1932 | Box 168 \ 1 img113 | |
| Test results for high voltage breakdown, high tension cable, and inflammability. | 23th May 1932 | Box 168 \ 1 img114 | |
| The submission of High Tension Ignition Flexible and wiring Cable samples for testing. | 6th May 1932 | Box 168 \ 1 img115 | |
| Confirming a previous communication and forwarding new samples of flexible cables for testing. | 19th May 1932 | Box 168 \ 1 img116 | |
| On test results for St. Helens Cable and Rubber Co's cellulose varnished fabric covered wires. | 28th May 1932 | Box 168 \ 1 img117 | |
| Response to a provisional specification on high tension electric ignition cables, questioning the need for pure rubber. | 23th Aug 1932 | Box 168 \ 1 img118 | |
| Attached blueprint Lec.3180 for the proposed ignition wiring scheme for the Peregrine. | 6th Sep 1932 | Box 168 \ 1 img119 | |
| Ripogloss Cable and the discontinuation of polished laquerred cables on experimental chassis. | 20th Jan 1933 | Box 168 \ 1 img120 | |
| Specification for P.B. Braided H.T. cable for tank engines. | 1st Apr 1933 | Box 168 \ 1 img121 | |
| The Bentley 3.5 Litre wiring diagram, requesting a check on the regulator's connection. | 17th May 1933 | Box 168 \ 1 img122 | |
| Comments and recommendations on the Bensport wiring diagram for model DB245. | 19th May 1933 | Box 168 \ 1 img123 | |
| Ignition coil windings and a proposed change to accessory fuse arrangements following a near-fire incident. | 19th May 1933 | Box 168 \ 1 img124 | |
| Considerations for 'Bensport' wiring diagrams, including dynamo, petrol gauge, and fuse issues. | 23th May 1933 | Box 168 \ 1 img125 | |
| The testing of a dynamo field fuse for a Bensport wiring diagram. | 29th May 1933 | Box 168 \ 1 img126 | |
| Confirming a test on a dynamo's protection circuit and fuse for 'Bensport' wiring. | 31th May 1933 | Box 168 \ 1 img127 | |
| Viability of using a smaller 4.5-ampere fuse for the Bentley wiring diagram's vibrator control dynamo. | 31th May 1933 | Box 168 \ 1 img128 | |
| Wiring alterations for the first experimental Bentley chassis, known as Bensport wiring. | 12th Jun 1933 | Box 168 \ 1 img129 | |
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