| Description | Date | Identifier | |
| Requesting the return of a faulty Lucas battery from a Jaguar car due to a leaky container. | 5th Oct 1938 | Box 164 \ 3 img238 | |
| Instruction to despatch a battery to Messrs. J. Lucas Ltd. for repairs. | 6th Oct 1938 | Box 164 \ 3 img239 | |
| Parts list and modification instructions for a Bentley 50 battery box. | 14th Oct 1938 | Box 164 \ 3 img240 | |
| List of blueprints and existing parts required for a Bentley 50 battery box modification. | 14th Oct 1938 | Box 164 \ 3 img241 | |
| Instruction regarding the trial of special anti-corrosive washers on battery terminal lugs. | 15th Oct 1938 | Box 164 \ 3 img242 | |
| Notification regarding a modified fixing for the battery and its mounting on Bentley 111 and Bentley 50 models. | 24th Oct 1938 | Box 164 \ 3 img243 | |
| Letter from Tungstone Accumulator Co. offering to supply a 12 volt 72 a.h. battery for testing following a visit to their stand at the Motor Show. | 25th Oct 1938 | Box 164 \ 3 img244 | |
| Letter to Tungstone Accumulator Co. Ltd. regarding instructions for sending a battery for trial. | 27th Oct 1938 | Box 164 \ 3 img245 | |
| Letter from Tungstone Accumulator Co., Ltd. confirming they are sending a battery for trial purposes. | 29th Oct 1935 | Box 164 \ 3 img246 | |
| Invoice from Tungstone Accumulator Co. Ltd. for a filled and charged 12 volt battery. | 2nd Nov 1938 | Box 164 \ 3 img247 | |
| Technical bulletin regarding a revised battery mounting for the Bentley III and Bentley 50 models. | 1st Nov 1938 | Box 164 \ 3 img248 | |
| Requesting an estimated factory cost for a Bentley III battery cradle. | 8th Nov 1938 | Box 164 \ 3 img249 | |
| Requesting the procurement of H-type positive and negative battery clamp connectors from Messrs. Peto & Radford. | 17th Nov 1938 | Box 164 \ 3 img250 | |
| Modification scheme for the battery suspension on Bentley 111 and 50 models. | 17th Nov 1938 | Box 164 \ 3 img251 | |
| Delivery advice note for a 12v accumulator with special lids for testing purposes. | 2nd Oct 1938 | Box 164 \ 3 img252 | |
| Request to order a replacement Exide battery for Phantom car 35.EX. | 29th Nov 1938 | Box 164 \ 3 img253 | |
| Letter regarding battery testing and arranging a meeting concerning a Phantom II overhaul. | 13th Dec 1938 | Box 164 \ 3 img254 | |
| Letter from an accumulator manufacturer regarding battery lifespan and potential customer complaints about future quality. | 29th Dec 1938 | Box 164 \ 3 img255 | |
| Letter from Peto & Radford regarding advice given about a car battery's lifespan. | 29th Dec 1938 | Box 164 \ 3 img256 | |
| Letter seeking advice on whether to change the accumulator acid for a 20/25 model after receiving conflicting information. | 22th Dec 1938 | Box 164 \ 3 img257 | |
| Delivery advice note for a 12V accumulator for test purposes. | 2nd Oct 1938 | Box 164 \ 3 img258 | |
| Experiments investigating battery box vibrations with cantilever versus standard cross-member supports on the 40/50 model. | 8th Jan 1931 | Box 164 \ 4 img001 | |
| Graphical analysis of the movement of a cantilever battery box support at various drum speeds. | 8th Jan 1931 | Box 164 \ 4 img002 | |
| Measurement graphs showing axle tramping at various speeds for a continuous battery box support. | 12th Jan 1931 | Box 164 \ 4 img003 | |
| Performance of a cantilever battery box support and requesting further static deflection tests. | 12th Jan 1931 | Box 164 \ 4 img004 | |
| Confirming fitment and providing dimensions for two Exide battery models in the 20 HP battery box. | 22th Jan 1931 | Box 164 \ 4 img005 | |
| Inquiry regarding the provision of a sheet metal battery box for the 20/25 chassis. | 22th Jan 1931 | Box 164 \ 4 img006 | |
| Stopping work on the sheet metal battery box for the 20/25 HP chassis due to the development of a new 28 HP model. | 23th Jan 1931 | Box 164 \ 4 img007 | |
| Extract from a 10,000-mile report on the battery and fittings for vehicle L8-GIV. | 30th Jan 1931 | Box 164 \ 4 img008 | |
| Suggestion to reduce the cost of the 25 HP chassis by simplifying the battery box wiring. | 9th Feb 1931 | Box 164 \ 4 img009 | |
| The condition and failure analysis of a Young 2 battery after extended use. | 12th Feb 1931 | Box 164 \ 4 img010 | |
| Report analyzing the construction and condition of battery plates and separators. | 19th Feb 1931 | Box 164 \ 4 img011 | |
| Examination report on a U.S.A. Exide 6-volt battery for an LH chassis. | 19th Feb 1931 | Box 164 \ 4 img012 | |
| Description of the internal construction of a battery cell, detailing the number and dimensions of positive and negative plates. | 19th Feb 1931 | Box 164 \ 4 img013 | |
| Description of wood and ebonite battery separators, including their dimensions, design features, and a general assessment. | 19th Feb 1931 | Box 164 \ 4 img014 | |
| Technical note detailing the poor construction and expected short life of a battery due to uncleaned plate lugs and thin plates. | 20th Feb 1931 | Box 164 \ 4 img015 | |
| Examination report on a U.S.A. Exide Battery Type 3XCR-13-IRA for left-hand drive chassis. | 20th Feb 1931 | Box 164 \ 4 img016 | |
| Battery construction, detailing issues with plates, wood and ebonite separators, and summarising potential faults. | 1st Feb 1931 | Box 164 \ 4 img017 | |
| Continued memo discussing the efficiency and life expectancy of L.H. batteries compared to standard batteries. | 20th Feb 1931 | Box 164 \ 4 img018 | |
| Comparison table of various 6-volt batteries from manufacturers including National, Exide, and Ford. | 24th Feb 1931 | Box 164 \ 4 img019 | |
| The supply of a battery for the USA 200 Chassis. | 24th Feb 1931 | Box 164 \ 4 img020 | |
| Covering note to send a report regarding batteries for U.S.A. chassis. | 26th Feb 1931 | Box 164 \ 4 img021 | |
| Letter concerning a report and criticisms of a sample battery for the imported Phantom II chassis. | 26th Feb 1931 | Box 164 \ 4 img022 | |
| Letter from the National Accumulator Company Limited proposing a meeting with Mr. Preston. | 11th Mar 1931 | Box 164 \ 4 img023 | |
| Letter from the American branch to the UK headquarters discussing the suitability and longevity of English versus American batteries for the PII chassis. | 26th Mar 1931 | Box 164 \ 4 img024 | |
| Unsatisfactory performance and special design of English made batteries in the Phantom II. | 23th Mar 1931 | Box 164 \ 4 img025 | |
| Letter from The Electric Storage Battery Company responding to concerns about battery sealing compound and plate design. | 20th Mar 1931 | Box 164 \ 4 img026 | |
| Letter from The Electric Storage Battery Co. discussing the specifications and life expectancy of the XCR-13 battery compared to English alternatives. | 20th Apr 1931 | Box 164 \ 4 img027 | |
| Experimental record sheet for an Exide 3RRS-1L-LH3 battery, tracking mileage and usage. | 20th Apr 1931 | Box 164 \ 4 img028 | |
| Experimental record sheet for an Exide 3RRS-11-LH4 Battery, tracking mileage. | 20th Apr 1931 | Box 164 \ 4 img029 | |
| Electrical experimental record sheet for an Exide battery, tracking mileage usage. | 20th Apr 1931 | Box 164 \ 4 img030 | |
| Log sheet tracking the usage and mileage of an Exide battery over several months. | 20th Apr 1931 | Box 164 \ 4 img031 | |
| Advising against purchasing a Young Battery for experimental purposes due to the company's liquidation. | 4th Apr 1931 | Box 164 \ 4 img032 | |
| Letter from the National Accumulator Company Limited arranging a visit. | 20th May 1931 | Box 164 \ 4 img033 | |
| Letter regarding the capacity and weight of a 'Young accumulator' for a 4 litre Bentley car. | 17th Jun 1931 | Box 164 \ 4 img034 | |
| Letter to The National Accumulator Co. Ltd. thanking them for a catalogue and information. | 22th Jun 1931 | Box 164 \ 4 img035 | |
| Lead paint alternatives ('Nust' and 'Arcanol') for protecting steel components. | 23th Jul 1931 | Box 164 \ 4 img036 | |
| Instructions following a meeting to conduct a petrol consumption test on two Claudel carburetters. | 1st Oct 1924 | Box 164 \ 4 img037 | |
| Battery support failures and arguing that this mechanical issue should not influence the decision to market future chassis without magnetos. | 10th Aug 1931 | Box 164 \ 4 img038 | |
| Requesting further information regarding a 10,000-mile test in France, specifically about the central lubrication system and a front battery suspension failure. | 12th Aug 1931 | Box 164 \ 4 img039 | |
| Failure of a battery box on the 25-EX model and proposing a new design for testing. | 15th Aug 1931 | Box 164 \ 4 img040 | |
| Critical memorandum on the unsatisfactory design and material of battery boxes for the P.2 and 25 HP models. | 15th Aug 1931 | Box 164 \ 4 img041 | |
| Failures of battery box fixings and the batteries themselves due to excessive vibration, requesting a modified cantilever support design. | 21th Aug 1931 | Box 164 \ 4 img042 | |
| Modification to the cantilever battery suspension for the 25HP 'U' Series vehicle. | 10th Sep 1931 | Box 164 \ 4 img043 | |
| Different schemes for the 25HP battery box suspension. | 1st Sep 1931 | Box 164 \ 4 img044 | |
| 25 HP battery box suspension for the 'U' series. | 9th Sep 1931 | Box 164 \ 4 img045 | |
| Battery and suspension arrangement, suggesting a reversion to a previous design for the 20/25 model. | 26th Sep 1931 | Box 164 \ 4 img046 | |
| Brief memo regarding the privilege of battery charging. | 9th Oct 1931 | Box 164 \ 4 img047 | |
| Correspondence regarding a cracked lid for a 20/25-HP Exide Battery and the subsequent replacement. | 29th Oct 1931 | Box 164 \ 4 img048 | |
| Request to test a sample of lead paint, referred to as 'Nust', against the effects of dilute sulphuric acid on battery box fittings. | 1st Nov 1931 | Box 164 \ 4 img049 | |
| Different types of lead paint for testing purposes on metal parts. | 11th Nov 1931 | Box 164 \ 4 img050 | |
| Experiment to use Arcanol lead paint for battery boxes as an alternative to lead dipping. | 7th Nov 1931 | Box 164 \ 4 img051 | |
| Sample of 'Nust' lead paint for experimental use on battery boxes. | 20th Nov 1931 | Box 164 \ 4 img052 | |
| Correspondence regarding a sample moulded battery container lid, specifying a preference for a knurled finish on screw heads. | 23th Nov 1931 | Box 164 \ 4 img053 | |
| Necessary alteration to the battery box suspension for car 20-G4. | 3rd Dec 1931 | Box 164 \ 4 img054 | |
| Confirming a design change for the 25 HP battery box suspension, moving to a tubular crossmember. | 12th Mar 1931 | Box 164 \ 4 img055 | |
| The failure analysis of a Young R.R. battery. | 7th Dec 1931 | Box 164 \ 4 img056 | |
| Fitting of a special lead-painted P.2. metal battery box to chassis 19-EX. | 1st Dec 1931 | Box 164 \ 4 img057 | |
| Efforts to source a cheaper battery for chassis without detriment to performance. | 9th Dec 1931 | Box 164 \ 4 img058 | |
| Extract from a letter discussing potential cost-saving measures for car batteries while emphasizing the importance of not compromising quality. | 1st Dec 1931 | Box 164 \ 4 img059 | |
| Request to obtain a large rubber apron for use when attending to batteries and mixing acid. | 7th Dec 1931 | Box 164 \ 4 img060 | |
| Letter from The Chloride Electrical Storage Company Ltd. confirming a meeting on December 29th. | 22th Dec 1931 | Box 164 \ 4 img061 | |
| Proposal to use Exide 3XC-15 batteries for the 40/50 Phantom II chassis to reduce cost and increase interchangeability. | 1st Jan 1932 | Box 164 \ 4 img062 | |
| Compatibility of a new battery with Phantom II and 20/25 HP chassis models. | 12th Jan 1932 | Box 164 \ 4 img063 | |
| Alternative battery options for the 20/25 HP chassis. | 12th Jan 1932 | Box 164 \ 4 img064 | |
| Cracked lids on 20/25 Exide batteries (Type 6SM7-IL) in moulded ebonite cases, fitted to experimental cars. | 5th Jan 1932 | Box 164 \ 4 img065 | |
| Confirming an arrangement to investigate a new battery box for chassis 19-EX. | 25th Jan 1932 | Box 164 \ 4 img066 | |
| Complaints of cracking battery boxes and a proposed improvement using a new universal battery. | 1st Feb 1932 | Box 164 \ 4 img067 | |
| Request for battery particulars in order to investigate methods for holding them down with clamps. | 13th Feb 1932 | Box 164 \ 4 img068 | |
| The merits of different types of battery lids for 25HP and J.3. batteries. | 5th Feb 1932 | Box 164 \ 4 img069 | |
| Standardisation of a lead-coated metal battery box to replace a failing wooden one. | 4th Jan 1932 | Box 164 \ 4 img070 | |
| Standardisation form for a chassis part detailing fitting, testing, and approval information. | 12th Mar 1932 | Box 164 \ 4 img071 | |
| Battery box design, the use of an open tray versus a lidded box, and comparing moulded Dagenite lids to a large sheet metal one. | 1st Feb 1932 | Box 164 \ 4 img072 | |
| The failure of a 40/50 battery link on chassis 116-GY due to corrosion caused by incorrect fitting. | 1st Mar 1932 | Box 164 \ 4 img073 | |
| Cover note for leaflets describing a battery placed on the market by Mr. Pollock. | 19th Apr 1932 | Box 164 \ 4 img074 | |
| Request to purchase a 1 lb. tin of Rozalex hand protection compound. | 11th May 1932 | Box 164 \ 4 img075 | |
| Letter from Rozalex Limited regarding an order and samples of their hand protection creams. | 19th May 1932 | Box 164 \ 4 img076 | |
| Letter from Rozalex Limited enclosing copies of letters from Clement Talbot Ltd and the Glasgow Corporation Tramways Dept. | 19th May 1932 | Box 164 \ 4 img077 | |
| Testimonial letter from Clement Talbot Limited regarding the effectiveness of 'Rozalex' barrier cream. | 5th Apr 1932 | Box 164 \ 4 img078 | |
| Testimonial letter from The Corporation of Glasgow regarding the use of Rozalex hand cleanser. | 21th Apr 1932 | Box 164 \ 4 img079 | |
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