| Description | Date | Identifier | |
| Letter regarding a report on pivots, instructing the Repair Dept. to replace old types with a new reinforced design. | 18th Mar 1913 | Box 2 \ B002_X168 00000001-page037 | |
| Typed document page discussing a conclusion for a future line of action. | 14th Aug 1913 | Box 2 \ B002_X168 00000001-page038 | |
| Telegram requesting drawings be prepared to show fractures in pivots for distribution to agents and sellers. | 14th Aug 1913 | Box 2 \ B002_X168 00000001-page039 | |
| Telegram warning of potential cracks from high-speed impacts, instructing to carefully examine car pivots. | 19th Aug 1915 | Box 2 \ B002_X168 00000001-page040 | |
| Telegram discussing altering designs in light of a new discovery. | 18th Nov 1906 | Box 2 \ B002_X168 00000001-page041 | |
| Final report on steering pivot tests conducted on a track. | 10th Mar 1913 | Box 2 \ B002_X168 00000001-page042 | |
| Damage to a cross tube and various levers. | 18th Mar 1913 | Box 2 \ B002_X168 00000001-page043 | |
| Material specifications, testing, and strength improvements for front axle pivots. | 25th May 1914 | Box 2 \ B002_X168 00000001-page044 | |
| Post Office Telegraph communication regarding axle pivots and vehicle front end modifications. | 14th Oct 1914 | Box 2 \ B002_X168 00000001-page045 | |
| Confirmation of a telegram sent from Nightingale Road, Derby. | 14th Oct 1914 | Box 2 \ B002_X168 00000001-page046 | |
| Blank confirmation of telegram form. | 14th Oct 1914 | Box 2 \ B002_X168 00000001-page047 | |
| Confirmation of a telegram sent. | 30th Mar 1913 | Box 2 \ B002_X168 00000001-page048 | |
| Design specifications for front pivots to reduce weight while maintaining strength. | 30th Mar 1913 | Box 2 \ B002_X168 00000001-page049 | |
| Potential improvements to front axle design to reduce stresses and the risk of fracture. | 25th May 1918 | Box 2 \ B002_X168 00000001-page050 | |
| Cause of broken pivots and the proposed solution of altering the cross steering tube. | 14th Jun 1915 | Box 2 \ B002_X168 00000001-page051 | |
| Production of forgings and a temporary reinforced section for a stub axle. | 1st Mar 1923 | Box 2 \ B002_X168 00000001-page052 | |
| Point-by-point report detailing proposals and responses for addressing a component failure and making design improvements. | 20th Mar 1915 | Box 2 \ B002_X168 00000001-page053 | |
| Modifications to the steering box pendulum lever and a directive to alter all cars on the road. | 1st Jul 1924 | Box 2 \ B002_X168 00000001-page054 | |
| Pivots, referencing a telegram from Mr. Royce and the status of related drawings. | 20th Mar 1913 | Box 2 \ B002_X168 00000001-page055 | |
| Progress report memo regarding personnel, car deliveries, and engineering tasks. | 20th Mar 1915 | Box 2 \ B002_X168 00000001-page056 | |
| Post Office Telegraph communication sent from Paris to Derby. | 21th Mar 1913 | Box 2 \ B002_X168 00000001-page057 | |
| Departmental memo concerning front axle pivots and the safety of cars produced before chassis number 1900. | 20th Mar 1913 | Box 2 \ B002_X168 00000001-page058 | |
| Telegram from Wormald concerning the results of an experiment with buffer springs. | 14th Jul 1937 | Box 2 \ B002_X168 00000001-page059 | |
| Letter to Mr. Johnson regarding a telegram from Paris which contained a clerical error, requesting clarification for the required document. | 26th Mar 1913 | Box 2 \ B002_X168 00000001-page060 | |
| Letter regarding a delay and arranging contact by wiring the recipient's whereabouts. | 1st Mar 1939 | Box 2 \ B002_X168 00000001-page061 | |
| Telegraph from Paris requesting a copy of memo 18313 regarding steering pivots. | 26th Feb 1913 | Box 2 \ B002_X168 00000001-page062 | |
| Departmental memo confirming the dispatch of a corrected telegram regarding a memo on steering pivots. | 25th Mar 1913 | Box 2 \ B002_X168 00000001-page063 | |
| Letter to Mr. Johnson apologizing for a delay in supplying memos regarding axle pivots. | 25th Mar 1913 | Box 2 \ B002_X168 00000001-page064 | |
| Follow-up actions regarding a required document and a query on pivot replacements. | 25th Mar 1913 | Box 2 \ B002_X168 00000001-page065 | |
| Copy of a report or letter, the majority of which is illegible due to fading. | 20th Mar 1913 | Box 2 \ B002_X168 00000001-page066 | |
| Requesting to proceed with experiments on spring buffers in conjunction with old type pivots. | 20th Mar 1913 | Box 2 \ B002_X168 00000001-page067 | |
| The testing and failure analysis of steering pivots and the rigs used. | 27th Mar 1913 | Box 2 \ B002_X168 00000001-page068 | |
| Telegram regarding testing buffer springs and sourcing a variety of springs for track stock. | 28th Mar 1913 | Box 2 \ B002_X168 00000001-page069 | |
| From F.H.R. discussing Mr. Hives' work on a cross steering tube failure and potential improvements. | 2nd Apr 1913 | Box 2 \ B002_X168 00000001-page070 | |
| Departmental memo detailing the results of a tensile test on a front axle pivot. | 2nd Apr 1913 | Box 2 \ B002_X168 00000001-page071 | |
| Steering pivot tests conducted on a truck using cast iron obstacles. | 2nd Apr 1913 | Box 2 \ B002_X168 00000001-page072 | |
| Continued test report on pivot cracking and front spring failure during obstacle testing. | 2nd Apr 1913 | Box 2 \ B002_X168 00000001-page073 | |
| Steering pivot tests, detailing the methodology and tabulated results of failures for different pivot types. | 2nd Apr 1913 | Box 2 \ B002_X168 00000001-page074 | |
| Continuation page of a test report detailing the results of pivot durability tests. | 2nd Apr 1913 | Box 2 \ B002_X168 00000001-page075 | |
| Test report on a new reinforced steering pivot, including failure analysis and remarks. | 4th Apr 1918 | Box 2 \ B002_X168 00000001-page076 | |
| Urgent instructions regarding an experimental cross-steering tube, including a diagram and manufacturing specifications. | 4th Apr 1918 | Box 2 \ B002_X168 00000001-page077 | |
| Replying to an inquiry about axle pivot fractures, detailing actions taken and the number of cars affected. | 4th Apr 1913 | Box 2 \ B002_X168 00000001-page078 | |
| Axle pivot fractures, requesting a list of cars in France and England and a special examination of R.H. cars. | 4th Apr 1913 | Box 2 \ B002_X168 00000001-page079 | |
| Departmental memo concerning the investigation into breakages of pivots and a related record-keeping error. | 5th Apr 1913 | Box 2 \ B002_X168 00000001-page080 | |
| Departmental memo discussing the design and subsequent strength reduction of pivots for ball races. | 3rd Jun 1913 | Box 2 \ B002_X168 00000001-page081 | |
| Experimental Department weekly report detailing track testing and failures of various steering pivot designs. | 10th Apr 1913 | Box 2 \ B002_X168 00000001-page082 | |
| Modifications to front axle pivots for wood wheels. | 19th Apr 1913 | Box 2 \ B002_X168 00000001-page083 | |
| Progress report on vehicle component updates and testing, including steering pivots and valve springs. | 22th Apr 1913 | Box 2 \ B002_X168 00000001-page084 | |
| Internal memorandum regarding the weak design and failure of front axle pivots. | 22th Apr 1913 | Box 2 \ B002_X168 00000001-page085 | |
| Attaching a final report on an experiment with steering pivots fitted with spring bushes. | 29th Apr 1911 | Box 2 \ B002_X168 00000001-page086 | |
| Final report on chassis 247, testing the durability of steering pivots and cross steering tubes with different spring configurations. | 22th Apr 1913 | Box 2 \ B002_X168 00000001-page087 | |
| Component failures and breakages observed during a three-week vehicle test. | 22th Apr 1913 | Box 2 \ B002_X168 00000001-page088 | |
| Chassis 2301, detailing the fitting of strong, reinforced front axle pivots. | 22th Apr 1913 | Box 2 \ B002_X168 00000001-page089 | |
| Telegraph message discussing the effectiveness of spring buffers in the steering tube. | 25th Apr 1913 | Box 2 \ B002_X168 00000001-page090 | |
| Post Office Telegraph regarding a cross tube experiment with other makes of cars. | 12th Apr 1911 | Box 2 \ B002_X168 00000001-page091 | |
| Relaying a telegram from Mr. Royce regarding experiments on spring buffers in cross steering tubes. | 26th Apr 1913 | Box 2 \ B002_X168 00000001-page092 | |
| Relaying a wire from Mr Johnson about steering pivot tests and stress fractures. | 28th Apr 1913 | Box 2 \ B002_X168 00000001-page093 | |
| Telegram discussing steering pivot tests and chassis design. | 26th Apr 1909 | Box 2 \ B002_X168 00000001-page094 | |
| Telegraph message concerning finding the cause of a fracture. | 12th Jul 1917 | Box 2 \ B002_X168 00000001-page095 | |
| Instruction sheet with a sketch of a bent tube and its dimensions for the experimental department. | 27th Apr 1913 | Box 2 \ B002_X168 00000001-page096 | |
| Instruction sheet concerning a carburettor float. | 30th Jul 1913 | Box 2 \ B002_X168 00000001-page097 | |
| The completion of tackle for a revolving axle pivot test and the supervision of its setup. | 9th Jun 1913 | Box 2 \ B002_X168 00000001-page098 | |
| Experimental Department weekly report on a steering pivot test. | 20th May 1913 | Box 2 \ B002_X168 00000001-page099 | |
| Design alterations and instructions for the Cross Steering Tube. | 21th Aug 1913 | Box 2 \ B002_X168 00000001-page100 | |
| Instructions, alternatives, and modifications for the cross steering tube. | 22th May 1913 | Box 2 \ B002_X168 00000001-page101 | |
| Stress test report on an undersized steering pivot to determine if it should be scrapped. | 25th May 1913 | Box 2 \ B002_X168 00000001-page102 | |
| Test report on the failure point of a main pivot and cross steering levers on a test rig. | 26th May 1913 | Box 2 \ B002_X168 00000001-page103 | |
| Cover memo attaching a report on tests of steering pivots which were rejected for being undersized. | 26th May 1913 | Box 2 \ B002_X168 00000001-page104 | |
| Experiment 168, proposing a revolving lathe test to determine the strength and margin of safety for pivots. | 29th May 1913 | Box 2 \ B002_X168 00000001-page105 | |
| Requesting the dispatch of broken steering pivots and other parts to Mr Royce. | 3rd Jun 1913 | Box 2 \ B002_X168 00000001-page106 | |
| Experimental Department 'B' weekly report for May 31st, 1913, detailing tests on various components including steering pivots. | 3rd Jun 1913 | Box 2 \ B002_X168 00000001-page107 | |
| Investigation into the frequent and erratic failure of cross steering levers, with a list of recent test durations and a proposal for further testing. | 3rd Jun 1913 | Box 2 \ B002_X168 00000001-page108 | |
| Sending a broken Vickers pivot and cross steering lever to Mr. Royce for analysis after a component test. | 3rd Jun 1913 | Box 2 \ B002_X168 00000001-page109 | |
| Experiment on axle pivots, referring to an attached memo from Mr. Royce. | 3rd Jun 1913 | Box 2 \ B002_X168 00000001-page110 | |
| The replacement of Axle Pivots, questioning the strength of new parts and suggesting further testing. | 4th Jun 1913 | Box 2 \ B002_X168 00000001-page111 | |
| Urgent request to obtain and strength test a pair of axle pivots to determine if they need replacement. | 4th Jun 1913 | Box 2 \ B002_X168 00000001-page112 | |
| Testing of different types of axle pivots, standard versus reinforced. | 4th Jun 1913 | Box 2 \ B002_X168 00000001-page113 | |
| Chronological log of actions and communications regarding the replacement and testing of pivots. | 4th May 1913 | Box 2 \ B002_X168 00000001-page114 | |
| Tests of Steering Pivots F.2353 - X.160. | 9th Jun 1913 | Box 2 \ B002_X168 00000001-page115 | |
| Stress tests conducted on three old, second-hand steering pivots. | 8th Jun 1910 | Box 2 \ B002_X168 00000001-page116 | |
| The destruction testing of a steering pivot on a reversal test rig. | 9th Jun 1913 | Box 2 \ B002_X168 00000001-page117 | |
| Continued discussion on whether to strengthen steering levers and the effects on shock absorption. | 9th Jun 1913 | Box 2 \ B002_X168 00000001-page118 | |
| Methodology for steering pivot tests and suggesting an alternative approach. | 9th Jun 1913 | Box 2 \ B002_X168 00000001-page119 | |
| Test results and comparisons of front axle pivots, referencing previous reports. | 10th Jun 1913 | Box 2 \ B002_X168 00000001-page120 | |
| Note specifying the range of cars parts were fitted to, from chassis 2075 to 2300, and listing attached documents. | 10th Jun 1913 | Box 2 \ B002_X168 00000001-page121 | |
| Request to determine the strength requirements for front axle pivots under reverse stress. | 10th Jun 1913 | Box 2 \ B002_X168 00000001-page122 | |
| Cover note for three attached test reports regarding steering pivots. | 11th Jun 1913 | Box 2 \ B002_X168 00000001-page123 | |
| Request for a report on instructions for screw adjustments on cross steering tubes. | 11th Jun 1913 | Box 2 \ B002_X168 00000001-page124 | |
| Quoting Mr. Royce's requirements for axle pivot strength tests. | 12th Jun 1913 | Box 2 \ B002_X168 00000001-page125 | |
| Cover memo attaching Mr. Royce's memo regarding a steering pivot test. | 14th Jun 1913 | Box 2 \ B002_X168 00000001-page126 | |
| The test of a special steering pivot designed for Austrian cars, noting its failure point and the lifespan of associated parts. | 16th Jun 1913 | Box 2 \ B002_X168 00000001-page127 | |
| Sending a broken pivot to Mr. Royce for examination and criticism. | 10th Jun 1913 | Box 2 \ B002_X168 00000001-page128 | |
| Dispatch of a fractured axle pivot for testing. | 14th May 1913 | Box 2 \ B002_X168 00000001-page129 | |
| Cover note attaching Mr Haldenby's report on steering pivots. | 17th Jun 1913 | Box 2 \ B002_X168 00000001-page130 | |
| Instruction note for a test to be run on a 'Penrhyns Piston'. | 27th Jun 1919 | Box 2 \ B002_X168 00000001-page131 | |
| Stress test of steering pivot F.3283 which had been turned down at the root of the stub. | 24th Jun 1913 | Box 2 \ B002_X168 00000001-page132 | |
| Attaching Mr Haldenby's report on a test of a steering pivot. | 30th Jun 1913 | Box 2 \ B002_X168 00000001-page133 | |
| Internal instruction sheet with a diagram and handwritten specifications for a work order. | 1st Jul 1913 | Box 2 \ B002_X168 00000001-page134 | |
| Steering pivot and water pump failures on a 2-Cylinder car, with a follow-up discussion on a potential recall for all 19 cars made. | 1st Jul 1913 | Box 2 \ B002_X168 00000001-page135 | |
| Cost-effectiveness of altering 2-Cylinder Front Axles. | 4th May 1907 | Box 2 \ B002_X168 00000001-page136 | |
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