| Description | Date | Identifier | |
| Fitting a C.A.V. Dynamo, outfit, and Edison batteries to chassis 2100E, discussing an initial fault and battery efficiency. | 4th Dec 1912 | Box 1 \ 7 B001_X15 20 46 50 59-page204 | |
| Departmental memo regarding an order for 50 sets of Edison battery boxes and batteries for experimental and trial cars. | 13th Dec 1912 | Box 1 \ 7 B001_X15 20 46 50 59-page205 | |
| Departmental memo requesting the actual capacity of lead and Edison accumulator cells at a specific discharge rate. | 8th Feb 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page206 | |
| Request for the actual capacity of Edison cells at a specific discharge rate for comparison. | 8th Feb 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page207 | |
| Departmental memo with a query from Mr. Royce comparing the voltage constancy of Edison lighting batteries to lead accumulators. | 10th Feb 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page208 | |
| Departmental memo chasing information on Edison Cells, with a handwritten reply stating tests are in progress. | 28th Feb 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page209 | |
| Following up on tests of Edison Cells, quoting a remark from Mr Royce. | 10th Mar 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page210 | |
| Report comparing the performance and weight of Edison cells against C.A.V. and Exide cells. | 13th Mar 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page211 | |
| The performance of electrical cells, comparing them to Edison and Exide cells. | 13th Mar 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page212 | |
| Copy of a sheet detailing the weights of Premier and Edison 8-volt cells. | 24th Dec 1912 | Box 1 \ 7 B001_X15 20 46 50 59-page213 | |
| Report to Mr. Wormald comparing the weight and performance of Premier, Edison, and C.A.V. batteries. | 11th Mar 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page214 | |
| Comparison of battery cell weights and a performance report on Edison 40 amp-hour accumulators. | 19th Feb 1920 | Box 1 \ 7 B001_X15 20 46 50 59-page215 | |
| Continued report on cell testing, comparing the weight and performance of Edison and Exide cells. | 19th Feb 1920 | Box 1 \ 7 B001_X15 20 46 50 59-page216 | |
| Variability of Edison cells compared to lead cells, like Exides. | 19th Mar 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page217 | |
| Final report on the testing and performance comparison of Edison and C.A.V. battery cells. | 13th Jun 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page218 | |
| Requesting a weight and voltage comparison between Edison cells and lead accumulators for lighting sets. | 14th Jun 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page219 | |
| Experiment testing the average output and discharge variation of Edison Cells. | 14th Jun 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page220 | |
| The performance and condition of 12-volt C.A.V. cells. | 16th Jun 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page221 | |
| From F.H.R. to Mr. Ellis requesting comparative data on weights and EMF for Edison cells versus lead cells for car lighting. | 18th Jun 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page222 | |
| Comparing the weights of Edison cells with other lead accumulators. | 19th Jun 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page223 | |
| Performance of different car battery types and requesting a detailed comparison. | 25th Jun 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page224 | |
| Page discussing the comparison of cells and the return of a test book. | 10th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page225 | |
| Letter from C.A. Vandervell & Co. regarding the supply of ignition accumulators, specifically the Edison type. | 10th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page226 | |
| Fitting and testing Edison cells on experimental cars and their subsequent performance. | 17th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page227 | |
| Comparison of Edison and Exide accumulators, detailing weight per amp hour and voltage variation during discharge. | 17th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page228 | |
| Voltage variation during charging for Edison and Exides batteries. | 18th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page229 | |
| Comparison of Exide and Edison accumulator cells regarding weight per amp hour and voltage variation. | 18th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page230 | |
| Comparison of voltage characteristics for Exide and Edison battery cells during charging and discharging. | 19th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page231 | |
| Urgent order for four 12 volt 9 cell Edison battery boxes for a C.A.V. lighting installation. | 19th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page232 | |
| Comparative weights and E.M.F. of Exide and Edison lighting accumulators. | 23th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page233 | |
| Correcting a previous error regarding the weights of Exide and Edison accumulator cells. | 24th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page234 | |
| Correcting a typist's error regarding the comparative weights of Exide and Edison cells. | 24th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page235 | |
| Comparing Edison nickel-iron cells with lead accumulator batteries. | 29th Jul 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page236 | |
| Test where an ignition coil misfired at high speeds and the subsequent investigation and proposed solutions. | 1st Sep 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page237 | |
| Extract from a memo by Mr. Royce discussing the choice of accumulators, favoring Exide cells over the prohibitively expensive Edison batteries. | 3rd Sep 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page238 | |
| Voltage variation issues with a C.A.V. Dynamo set and comparing Edison and Exide batteries. | 8th Sep 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page239 | |
| Requesting parts for car 2704 and investigating an incorrectly fitted battery ignition system on car 2301. | 29th Oct 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page240 | |
| Report from the Experimental Department about Edison Cells. | 6th Nov 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page241 | |
| Report explaining why Edison Cells were fitted to chassis 2301 and sent away incorrectly connected. | 7th Nov 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page242 | |
| Extract concerning tests on Edison cells for self-starters and details about a Peerless set. | 9th Dec 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page243 | |
| Report from Edison Accumulators Ltd. regarding a damaged cell caused by incorrect housing and subsequent electrolysis. | 18th Dec 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page244 | |
| Quotation for a new steel container and refilling electrolyte. | 19th Nov 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page245 | |
| Instructing the drawing office on the design of battery boxes for Edison Accumulators. | 19th Dec 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page246 | |
| Results of performance tests on Edison cells. | 19th Dec 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page247 | |
| Technical memo discussing the unsuitability of Edison batteries for self-starters and lighting, with a suggestion to investigate Willard batteries. | 22th Dec 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page248 | |
| Internal correspondence regarding modifications to Edison cell battery boxes. | 22th Dec 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page249 | |
| Letter detailing test results for Edison batteries intended for use in self-starters. | 23th Dec 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page250 | |
| Test results for a 6-cell, 9.3-volt battery weighing 29 lbs, showing voltage readings before and after discharge. | 23th Dec 1913 | Box 1 \ 7 B001_X15 20 46 50 59-page251 | |
| Mr. Royce's request for information on the voltage variation of Edison cells. | 5th Jan 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page252 | |
| Report on Edison Cells, enclosing a copy for Mr Royce and requesting clarification on further requirements. | 8th Jan 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page253 | |
| Memo requesting the replacement of two leaking Edison cells on car 2301. | 17th Jan 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page254 | |
| Letter regarding an enquiry into the delivery status of two Edison batteries for a client in Le Canadel. | 4th Feb 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page255 | |
| Failure of Edison batteries and recommending Tudor batteries as a suitable alternative for the self-starter. | 6th Feb 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page256 | |
| Letter confirming the receipt of two charged Edison cells. | 9th Feb 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page257 | |
| Leaking Edison Cells and the supplier's explanation of the cause. | 11th Feb 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page258 | |
| The use and installation of Edison Cells in battery boxes. | 5th Jan 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page259 | |
| The failure of Edison cells on chassis 2301 and a request for replacement C.A.V. batteries. | 9th Mar 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page260 | |
| To Mr. Brock, for Mr. Gamble, about providing a box for three awaited Edison cells. | 4th Dec 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page261 | |
| Graph showing the results of a discharge capacity test on a set of six Edison B2 40 A.H. cells at a high rate. | 4th Dec 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page262 | |
| Graph showing the discharge capacity test results for a set of 6 L.B. cells. | 24th Dec 1920 | Box 1 \ 7 B001_X15 20 46 50 59-page263 | |
| Client's suggestion to trial Edison batteries on cars. | 24th Dec 1920 | Box 1 \ 7 B001_X15 20 46 50 59-page264 | |
| Suitability of Edison versus lead-acid batteries for use in cars. | 31th Dec 1920 | Box 1 \ 7 B001_X15 20 46 50 59-page265 | |
| Comparison and recommendation regarding the use of Edison type batteries versus standard Exide batteries. | 31th Dec 1920 | Box 1 \ 7 B001_X15 20 46 50 59-page266 | |
| Typed memorandum discussing the performance and replacement cost of acid batteries. | 31th Dec 1920 | Box 1 \ 7 B001_X15 20 46 50 59-page267 | |
| Letter from Rolls-Royce of America concerning three enclosed booklets on Edison Storage Batteries. | 1st Jun 1921 | Box 1 \ 7 B001_X15 20 46 50 59-page268 | |
| Battery life and guarantees from the De Martis and Edison companies. | 18th Oct 1922 | Box 1 \ 7 B001_X15 20 46 50 59-page269 | |
| Copy of a guarantee for Edison Accumulators issued by Edison Accumulators Ltd. | 18th Oct 1927 | Box 1 \ 7 B001_X15 20 46 50 59-page270 | |
| Suitability and internal resistance of Nickel-Iron (Ni-Fe) batteries for chassis use and starter motor operation. | 16th Nov 1922 | Box 1 \ 7 B001_X15 20 46 50 59-page271 | |
| The superiority of Edison cells over acid batteries for use in works trucks. | 16th Nov 1922 | Box 1 \ 7 B001_X15 20 46 50 59-page272 | |
| Blank, hole-punched page with a handwritten number at the top. | 13th Feb 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page273 | |
| Letter discussing a new carburetter, its potential tests, and a request for its patent specification number. | 13th Feb 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page274 | |
| Godward Carburetter, enclosing patent specifications. | 14th Feb 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page275 | |
| Patent specifications for the Godward Carburetter. | 10th Feb 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page276 | |
| Complete patent specification for improvements in carburettors for internal combustion engines. | 26th May 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page277 | |
| Patent specification for improvements to carburettors for internal combustion engines. | 1st Jan 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page278 | |
| Patent document for improvements in carburettors using absorbent fabric linings. | 26th May 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page279 | |
| Godward's complete specification patent drawing showing various views of a tank and frame assembly. | 26th May 1914 | Box 1 \ 7 B001_X15 20 46 50 59-page280 | |
| Patent specification for improvements to carburettors for internal combustion engines. | 1st May 1916 | Box 1 \ 7 B001_X15 20 46 50 59-page281 | |
| Page 2 of a document describing the detailed mechanism of a carburettor, including its coned spring, bell, and tubes for automatic air-fuel mixture control. | 1st May 1916 | Box 1 \ 7 B001_X15 20 46 50 59-page282 | |
| Patent application detailing the claims for a carburetter invention. | 1st May 1916 | Box 1 \ 7 B001_X15 20 46 50 59-page283 | |
| Complete specification drawing for a device by Godward, showing two cross-sectional views. | 13th Sep 1918 | Box 1 \ 7 B001_X15 20 46 50 59-page284 | |
| Patent specification for improvements in or relating to carburetors for internal combustion engines or motors. | 13th Sep 1918 | Box 1 \ 7 B001_X15 20 46 50 59-page285 | |
| Improvement in or relating to Carburettors for Internal Combustion Engines. | 11th Jun 1917 | Box 1 \ 7 B001_X15 20 46 50 59-page286 | |
| Complete specification drawing for a mechanical device by Jung & another, showing a cross-section and top view. | 17th Sep 1918 | Box 1 \ 7 B001_X15 20 46 50 59-page287 | |
| Patent specification for improvements to carburettors for internal combustion motors or engines. | 17th Sep 1918 | Box 1 \ 7 B001_X15 20 46 50 59-page288 | |
| Detailed description and claims for a carburettor's throttle and air inlet control mechanism. | 16th Aug 1917 | Box 1 \ 7 B001_X15 20 46 50 59-page289 | |
| Complete specification drawing showing multiple views and a cross-section of a carburettor assembly. | 21th Feb 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page290 | |
| Letter regarding a meeting at Conduit St. and a patent specification for a carburetter. | 21th Feb 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page291 | |
| The design and development of the 'Godward' Carburetter after a visit to the engineer at Kingston. | 26th Feb 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page292 | |
| Report assessing a new automatic carburetter with no sliding parts, detailing its performance on Ford and Buick vehicles. | 26th Feb 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page293 | |
| Evaluation of a carburetter's performance, discussing its design flaws and expressing low confidence in the manufacturer's capabilities. | 26th Feb 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page294 | |
| Third-party carburetter and the potential for improving the company's own design. | 26th Feb 1919 | Box 1 \ 7 B001_X15 20 46 50 59-page295 | |
| Cross-sectional diagram of a carburettor jet and air intake assembly. | 26th Apr 1917 | Box 1 \ 7 B001_X15 20 46 50 59-page296 | |
| Light blue cover sheet with a handwritten number. | 11th Aug 1931 | Box 1 \ 8 B001_X100 Engine Chassis-page001 | |
| The confidential sharing of original schemas for the 'Peregrine' and a Saloon Body. | 11th Aug 1931 | Box 1 \ 8 B001_X100 Engine Chassis-page002 | |
| Full-scale drawing of the 'Peregrine' engine, its bore size, and design modifications. | 14th Sep 1931 | Box 1 \ 8 B001_X100 Engine Chassis-page003 | |
| The revised quarter-scale layout (sch. 3344) and skeleton specification for the Peregrine 2 chassis. | 19th Sep 1931 | Box 1 \ 8 B001_X100 Engine Chassis-page004 | |
| Revised specification sheet for the Peregrine 2 model. | 19th Sep 1931 | Box 1 \ 8 B001_X100 Engine Chassis-page005 | |
| Specification sheet outlining design details and comparisons for various vehicle components, coachwork, and suggested stock bodies. | 19th Sep 1931 | Box 1 \ 8 B001_X100 Engine Chassis-page006 | |
| List and description of proposed special car body styles, including a sports saloon, open car, and coupe. | 22th Oct 1931 | Box 1 \ 8 B001_X100 Engine Chassis-page007 | |
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