| Description | Date | Identifier | |
| Test report detailing wear results for first and second samples of Bone grey fibre. | 1st Jul 1925 | Box 39 \ 3 Scan240 | |
| Test results for two samples of bone grey fibre, measuring wear after mileage on different chassis. | 17th Jun 1925 | Box 39 \ 3 Scan241 | |
| Proposal to source Varnished Fabric Boards from a new supplier as an alternative to Continental Bakelite for chassis electrical equipment. | 24th Aug 1925 | Box 39 \ 3 Scan242 | |
| Letter from a supplier discussing two grades of varnished fabric board for use in different components. | 19th Aug 1925 | Box 39 \ 3 Scan243 | |
| Price list and offer for two grades of Varnished Fabric Board from The Micanite & Insulators Co. Ltd. | 26th Aug 1925 | Box 39 \ 3 Scan244 | |
| Requesting an electrical capacity check on samples of Grade Varnished Fabric Board against standard Bakelite material. | 26th Aug 1925 | Box 39 \ 3 Scan245 | |
| ROY to EFC regarding Bakelite samples and pricing from supplier Spauldings. | 6th Oct 1925 | Box 39 \ 3 Scan246 | |
| Letter from Spauldings Ltd regarding a price list and sample of Canvas Bakelite Sheets. | 29th Sep 1925 | Box 39 \ 3 Scan247 | |
| Price list for Spauldings' Bakelite Canvas of varying thicknesses. | 27th Oct 1925 | Box 39 \ 3 Scan248 | |
| Comparing the machining properties of Grey Fibre and Bakelite samples. | 27th Oct 1925 | Box 39 \ 3 Scan249 | |
| Test results on samples of Bakelite Insulating Materials and Bone Grey Fibre. | 2nd Nov 1925 | Box 39 \ 3 Scan250 | |
| Comparing insulation materials like Bakelite Duresto, bone grey fibre, and black bakelite micarta. | 2nd Nov 1925 | Box 39 \ 3 Scan251 | |
| Comparison table of tests on various varnished fabric boards and Bakelite materials. | 2nd Nov 1928 | Box 39 \ 3 Scan252 | |
| Test report comparing varnished fabric board with continental bakelite. | 15th Sep 1925 | Box 39 \ 3 Scan253 | |
| Test report on material samples, including various types of bakelite, supplied by Spauldings Ltd. | 30th Oct 1925 | Box 39 \ 3 Scan254 | |
| Notes on synthetic insulation materials for electrical engineering, their production, and moulding process. | 1st Nov 1925 | Box 39 \ 3 Scan255 | |
| Comparison of properties for Synthetic, Rubbers, and Fibres, with details on synthetic moulding powder. | 1st Nov 1925 | Box 39 \ 3 Scan256 | |
| The manufacture and application of synthetic resin-based insulating materials. | 7th Jun 1926 | Box 39 \ 3 Scan257 | |
| High-tension test report on the dielectric strength of various coil case materials. | 7th Jun 1926 | Box 39 \ 3 Scan258 | |
| Comparing the insulation characteristics of yellow and brown 'abakelite' for dynamo brushes. | 16th Jul 1926 | Box 39 \ 3 Scan259 | |
| Two samples of Laminated Bakelite for insulation purposes. | 9th Sep 1926 | Box 39 \ 3 Scan260 | |
| Investigation and testing of Varnish Fabric Board samples from Micanite & Insulators Co. Ltd. | 13th Sep 1926 | Box 39 \ 3 Scan261 | |
| High tension D.C. tests of various insulating materials such as bakelite and redmanol. | 16th Sep 1926 | Box 39 \ 3 Scan262 | |
| Circuit diagram for a high-voltage testing apparatus using a valve rectifier. | 16th Sep 1926 | Box 39 \ 3 Scan263 | |
| Characteristics and results of an electrical insulation test system. | 16th Sep 1926 | Box 39 \ 3 Scan264 | |
| Tests on bakelised plates and coil cases, investigating issues with insulation resistance and leakage currents. | 16th Sep 1926 | Box 39 \ 3 Scan265 | |
| Test results comparing leakage in Redmanol and Stabalite coil cases at various temperatures. | 16th Sep 1926 | Box 39 \ 3 Scan266 | |
| Test results for coil cases at 100°C, showing readings from successive tests. | 16th Sep 1926 | Box 39 \ 3 Scan267 | |
| Test results and leakage figures for various sheet insulation materials. | 16th Sep 1926 | Box 39 \ 3 Scan268 | |
| Series of six hand-drawn graphs on blue grid paper plotting data at various temperatures. | 20th Sep 1926 | Box 39 \ 3 Scan269 | |
| Blank document with a red ink stamp from the Print Room. | 20th Sep 1926 | Box 39 \ 3 Scan270 | |
| General inferences from tests on various coil case materials, comparing their performance under heat. | 16th Sep 1926 | Box 39 \ 3 Scan271 | |
| The poor electrical test results of varnished fabric board samples from The Micanite & Insulators Co. Ltd. | 16th Sep 1926 | Box 39 \ 3 Scan272 | |
| Requesting further testing on three Elo coil cases after a 5-week oven heat treatment. | 29th Oct 1926 | Box 39 \ 3 Scan273 | |
| Portable rectifying unit for high voltage D.C. insulation testing. | 29th Apr 1927 | Box 39 \ 3 Scan274 | |
| Continued description of a method for obtaining high D.C. voltage for insulation testing using a valve, condensers, and a spark gap. | 29th Apr 1927 | Box 39 \ 3 Scan275 | |
| Description of an apparatus and its uses for testing D.C. insulation resistance on H.T. components. | 12th Sep 1926 | Box 39 \ 3 Scan276 | |
| The final development of apparatus for insulation tests on redmanol coil cases. | 12th Sep 1926 | Box 39 \ 3 Scan277 | |
| Circuit diagram of a High Tension Rectifying Unit for H.T.D.C. tests of insulation. | 29th Apr 1927 | Box 39 \ 3 Scan278 | |
| Blank page with a date stamp in the bottom right corner. | 29th Apr 1927 | Box 39 \ 3 Scan279 | |
| Connection diagram for high-tension direct current (HTDC) tests of insulation using a trembler coil and rectifying valve. | 29th Apr 1927 | Box 39 \ 3 Scan280 | |
| Blank folded document with two punch holes and a date stamp. | 29th Apr 1927 | Box 39 \ 3 Scan281 | |
| High tension DC testing procedures for Redmanol coil cases at high temperatures. | 4th May 1927 | Box 39 \ 3 Scan282 | |
| Test report page detailing condenser and coil case performance with tables of results. | 4th May 1927 | Box 39 \ 3 Scan283 | |
| Continuation of a test results table showing leakage, peak volts, and ratio megohms for different cases. | 13th Apr 1927 | Box 39 \ 3 Scan284 | |
| Development of a production test for Redmanol ignition coil cases. | 13th Apr 1927 | Box 39 \ 3 Scan285 | |
| Test report tabulating the results of resistance (Megohms) measurements at various temperatures. | 8th Jun 1927 | Box 39 \ 3 Scan286 | |
| Specification for an insulation test at temperature for Redmanol coil cases. | 8th Jun 1927 | Box 39 \ 3 Scan287 | |
| Asking about the cause of bakelite tracking on H.T. ignition parts. | 7th Mar 1928 | Box 39 \ 3 Scan288 | |
| Requesting information on the composition of Redmanol and Mouldensite mouldings to address the issue of 'tracking', and inquiring about alternative non-resinous materials. | 14th Mar 1928 | Box 39 \ 3 Scan289 | |
| Inquiry to Bakelite Limited regarding electrical 'tracking' issues with their Redmanol powder used for mouldings. | 14th Mar 1928 | Box 39 \ 3 Scan290 | |
| Tests on bakelite tracking, including the effects of powdered filling and the potential solution of varnishing surfaces. | 14th Mar 1928 | Box 39 \ 3 Scan291 | |
| Methods to prevent Bakelite tracking in distributor heads, considering different fillers and materials. | 12th Mar 1928 | Box 39 \ 3 Scan292 | |
| Instruction sheet proposing a tracking test on a bakelite sample to compare plain glazed versus varnished surfaces. | 13th Mar 1928 | Box 39 \ 3 Scan293 | |
| Instructions regarding the use of synthetic resin and shellac varnishes on a distributor head to prevent H.T. spark issues. | 1st Jan 1919 | Box 39 \ 3 Scan294 | |
| Letter from Bakelite Limited responding to a query about the suitability of their material where electrical sparking occurs. | 15th Mar 1928 | Box 39 \ 3 Scan295 | |
| Tests on the electrical tracking properties of pure and filled Bakelite. | 23th Mar 1928 | Box 39 \ 3 Scan296 | |
| Inquiries into the composition of Redmanol and Mouldensite moulding powders. | 24th Mar 1928 | Box 39 \ 3 Scan297 | |
| Covering memo for an assistant's report regarding varnished battery ignition distributor moulded heads. | 30th Mar 1928 | Box 39 \ 3 Scan298 | |
| Instruction sheet detailing an experiment with various varnishes on battery ignition distributor moulded heads to prevent tracking. | 27th Mar 1928 | Box 39 \ 3 Scan299 | |
| Instructions for testing various varnishes on distributor heads and fitting them to specific chassis for testing. | 8th Dec 1924 | Box 39 \ 3 Scan300 | |
| Letter from Bakelite Limited regarding the composition of their mouldings made from Redmanol and Mouldensite for 'tracking' tests. | 16th Apr 1928 | Box 39 \ 3 Scan301 | |
| Brief memo to Mr. Brock accompanying a paper titled 'Synthetic Resins' and requesting its return. | 8th May 1928 | Box 39 \ 3 Scan302 | |
| Instruction note regarding moulded disc samples made from Beetle Manufacturing Co. powder, requesting test results. | 5th Jun 1928 | Box 39 \ 3 Scan303 | |
| Test report on coil cases and discs made from experimental moulding powders. | 9th Jul 1928 | Box 39 \ 3 Scan304 | |
| Comparison test between the British product Bakelaque and continental bakelite for insulation. | 3rd Sep 1928 | Box 39 \ 3 Scan305 | |
| The testing of British-manufactured Bakelite Linen Sheets against American-made ones. | 28th Sep 1928 | Box 39 \ 3 Scan306 | |
| Instruction sheet comparing 'Bakelaque' sheet insulation to Continental Bakelite. | 20th Oct 1928 | Box 39 \ 3 Scan307 | |
| Instructions for a material test using a trembler coil apparatus, with temperature varied and results recorded at 20° intervals. | 1st Dec 1924 | Box 39 \ 3 Scan308 | |
| Table of leakage measurements in micro-mhos/mils for various materials at different angles. | 1st Dec 1924 | Box 39 \ 3 Scan309 | |
| The results of heating tests on 'Bakelogue' material regarding leakage and breakdown. | 1st Dec 1924 | Box 39 \ 3 Scan310 | |
| Material comparison report testing the voltage breakdown and punchability of different bakelite and paper samples. | 1st Dec 1924 | Box 39 \ 3 Scan311 | |
| Test results and notes on cloth base Bakelaque for potential use in experimental cars. | 1st Dec 1924 | Box 39 \ 3 Scan312 | |
| The test results of Bakelaque insulation compared to the standard continental bakelite. | 25th Oct 1928 | Box 39 \ 3 Scan313 | |
| Request to manufacture various insulation parts from Super-Bakelaque linen base material. | 16th Jan 1929 | Box 39 \ 3 Scan314 | |
| Production status of parts made from bakelaque. | 24th May 1929 | Box 39 \ 3 Scan315 | |
| The replacement of ebonite parts with bakelite mouldings on S.S. starter systems. | 3rd Jun 1929 | Box 39 \ 3 Scan316 | |
| Receipt of Super-Bakelaque insulation parts and instructions for fitting them to a 20 HP armature machine. | 28th Jun 1929 | Box 39 \ 3 Scan317 | |
| Alternative British-made moulding powders to the standard Redmanol used for coil cases. | 4th Nov 1929 | Box 39 \ 3 Scan318 | |
| Unsuitability of Celeron and other powders for moulding compared to Redmanol. | 6th Nov 1929 | Box 39 \ 3 Scan319 | |
| Request to test a sample of bakelaque for its insulation qualities due to concerns about its appearance and potential under-curing. | 24th Feb 1930 | Box 39 \ 3 Scan320 | |
| The electrical and mechanical properties of Bakelaque sheet insulation. | 28th Feb 1930 | Box 39 \ 3 Scan321 | |
| Test report on a production sample of Bakelaque sheet insulation, comparing its performance to an original sample. | 28th Feb 1930 | Box 39 \ 3 Scan322 | |
| The electrical properties and finish of a tested piece of bakelaque compared to other samples. | 8th Jan 1930 | Box 39 \ 3 Scan323 | |
| Electrical experimental record sheet for Safe Bakelague insulating material on dynamo S.S.7. | 8th Jan 1930 | Box 39 \ 3 Scan324 | |
| Cross-reference note for information relating to Bakelite products. | 1st Mar 1930 | Box 39 \ 3 Scan325 | |
| Design of blinds for car radiators to regulate water temperature. | 29th Jan 1919 | Box 39 \ 4 Scan001 | |
| Use of blinds, specifically fine gauze, for car radiators to control water temperature. | 29th Jan 1919 | Box 39 \ 4 Scan002 | |
| Laws of gaseous flow through a gauze blind on a chassis radiator. | 31th Jan 1919 | Box 39 \ 4 Scan003 | |
| Radiator and radiator shutter design, focusing on tube sizes for various applications. | 26th Apr 1917 | Box 39 \ 4 Scan004 | |
| Design proposal for a hand-operated, multi-blade radiator shutter with potential for future power operation. | 3rd Apr 1919 | Box 39 \ 4 Scan005 | |
| Development of a water temperature gauge and radiator louvres, and the impact of low-grade petrol. | 3rd Apr 1919 | Box 39 \ 4 Scan006 | |
| Development of radiator louvres to improve engine performance in cold weather. | 9th Apr 1919 | Box 39 \ 4 Scan007 | |
| The performance of an engine using benzol fuel from Birchenwood Collieries. | 9th Apr 1919 | Box 39 \ 4 Scan008 | |
| Design and placement of louvres for future radiators. | 9th Apr 1919 | Box 39 \ 4 Scan009 | |
| Design and fitting of a manually operated louvre frame for radiators, with potential for future thermostat control. | 1st May 1919 | Box 39 \ 4 Scan010 | |
| The placement of thermostats and the requirement for thermometers on production vehicles. | 1st May 1919 | Box 39 \ 4 Scan011 | |
| Design and construction methods for 40/50 HP radiator shutters. | 13th May 1919 | Box 39 \ 4 Scan012 | |
| Instructions on finishing and fitting radiator shutters, including the necessary modification to the vent pipe. | 13th May 1919 | Box 39 \ 4 Scan013 | |
| Radiator shutters and controls for the 40/50 HP model. | 17th May 1919 | Box 39 \ 4 Scan014 | |
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