| Description | Date | Identifier | |
| The life of parts during bumping tests for spring bolts. | 30th Apr 1914 | Box 119 \ 2 scan0025 | |
| Test results table for spring bolts detailing time to failure and associated references. | 30th Apr 1914 | Box 119 \ 2 scan0026 | |
| Average life before breaking for front spring centre bolts. | 27th May 1914 | Box 119 \ 2 scan0027 | |
| Life of steering levers during bumping tests. | 27th May 1914 | Box 119 \ 2 scan0028 | |
| Log sheet detailing test results for various steering levers. | 27th May 1914 | Box 119 \ 2 scan0029 | |
| Table showing the average life before breakage for various steering levers. | 28th May 1914 | Box 119 \ 2 scan0030 | |
| Life of parts on bumping tests for steering levers. | 28th May 1914 | Box 119 \ 2 scan0031 | |
| Test report sheet detailing the lifespan results for steering levers before breakage. | 28th May 1914 | Box 119 \ 2 scan0032 | |
| The life of steering levers during bumping tests. | 28th May 1914 | Box 119 \ 2 scan0033 | |
| Bumping test report on the life of steering tubes. | 30th Apr 1914 | Box 119 \ 2 scan0034 | |
| Test report detailing the average life before breaking for a side steering tube. | 1st May 1914 | Box 119 \ 2 scan0035 | |
| Life of parts on bumping tests for buffer springs. | 1st May 1914 | Box 119 \ 2 scan0036 | |
| Test log sheet detailing the lifespan and breakage results for buffer springs. | 1st May 1914 | Box 119 \ 2 scan0037 | |
| Results of bumping tests on axle tubes. | 29th Apr 1914 | Box 119 \ 2 scan0038 | |
| Results of bumping tests on front axle pivots. | 29th Apr 1914 | Box 119 \ 2 scan0039 | |
| Test report on the durability and average life of different front axle pivots. | 1st May 1914 | Box 119 \ 2 scan0040 | |
| Test report on the life of frame parts subjected to bumping tests. | 1st May 1914 | Box 119 \ 2 scan0041 | |
| The average life of frames before breakage. | 1st May 1914 | Box 119 \ 2 scan0042 | |
| Bumping tests to determine the life of a bracket of a frame truss. | 1st May 1914 | Box 119 \ 2 scan0043 | |
| The life of Dumb Irons during bumping tests. | 4th May 1914 | Box 119 \ 2 scan0044 | |
| Bumping tests for bolts and rivets in dumb iron. | 5th May 1914 | Box 119 \ 2 scan0045 | |
| Test results showing average life before breakage for various bolts and rivets in Dumb Iron. | 5th May 1914 | Box 119 \ 2 scan0046 | |
| Time study sheet for installing bolts and rivets. | 30th Apr 1914 | Box 119 \ 2 scan0047 | |
| Results of bumping tests on various cross members. | 30th Apr 1914 | Box 119 \ 2 scan0048 | |
| The life of an engine part during bumping tests. | 30th Apr 1914 | Box 119 \ 2 scan0049 | |
| Bumping test report on a radiator's suspension bracket. | 30th Apr 1914 | Box 119 \ 2 scan0050 | |
| Results of a bumping test on a torque tube. | 30th Apr 1914 | Box 119 \ 2 scan0051 | |
| The life of front axle parts during bumping tests. | 29th Apr 1914 | Box 119 \ 2 scan0052 | |
| Test results and average life before cracking for front axles. | 28th May 1914 | Box 119 \ 2 scan0053 | |
| The life of steering levers during bumping tests. | 28th May 1914 | Box 119 \ 2 scan0054 | |
| Analysis of parts that have broken during bumping tests. | 3rd Jun 1914 | Box 119 \ 2 scan0055 | |
| Analysis of bumping tests showing the average life of various parts. | 9th Jun 1914 | Box 119 \ 2 scan0056 | |
| List of parts with their corresponding labor time in hours and minutes. | 9th Jun 1914 | Box 119 \ 2 scan0057 | |
| Time log listing parts and the hours and minutes associated with them. | 10th Jun 1914 | Box 119 \ 2 scan0058 | |
| Analysis of bumping tests showing the average life of parts, comparing redesigned stronger parts with earlier designs. | 10th Jun 1914 | Box 119 \ 2 scan0059 | |
| Log detailing the results of stress and endurance tests on various automotive components. | 11th Jun 1914 | Box 119 \ 2 scan0060 | |
| Test results for bearing pins bolted through hangers and various front spring top plates. | 13th Feb 1914 | Box 119 \ 2 scan0061 | |
| Log of test results for radiator, front springs, steering gear, shock absorbers, and frame components. | 5th Oct 1914 | Box 119 \ 2 scan0062 | |
| Log sheet detailing the results of stress and durability tests on various vehicle components. | 15th Oct 1914 | Box 119 \ 2 scan0063 | |
| Test log sheet detailing the performance and failure of radiator components, steering levers, and suspension brackets. | 29th Oct 1914 | Box 119 \ 2 scan0064 | |
| Log detailing the results of stress and endurance tests on various automotive components like radiator brackets, rear axles, and radiators. | 12th Nov 1910 | Box 119 \ 2 scan0065 | |
| Safety concerns regarding steering components following bumping tests. | 29th Jun 1914 | Box 119 \ 2 scan0066 | |
| Fatigue tests, comparing the value of 2-inch and 3-inch bumps, particularly concerning radiators. | 22th Jul 1914 | Box 119 \ 2 scan0067 | |
| Log sheet of endurance and leak tests for various radiator designs and suspension methods. | 8th Aug 1910 | Box 119 \ 2 scan0068 | |
| Need for a bumping rig for chassis testing and its design considerations. | 19th Dec 1918 | Box 119 \ 2 scan0069 | |
| Cover note regarding a bumping rig with remarks from C.J. | 1st Jan 1918 | Box 119 \ 2 scan0070 | |
| Tabulated analysis of bumping tests. | 4th Jan 1917 | Box 119 \ 2 scan0071 | |
| Steering gear fracture during a chassis bumping rig test, including material analysis and recommendations. | 11th Aug 1919 | Box 119 \ 2 scan0072 | |
| Analysis report on a fractured road spring, detailing its chemical composition and hardness. | 11th Aug 1919 | Box 119 \ 2 scan0073 | |
| Instruction sheet detailing component failures found during a bumping test. | 12th Aug 1919 | Box 119 \ 2 scan0074 | |
| Instruction sheet listing faults discovered during a jolting chassis bumping test. | 13th Aug 1919 | Box 119 \ 2 scan0075 | |
| Setup and results of a 40/50 chassis bumping test, comparing it to pre-war methods. | 18th Aug 1919 | Box 119 \ 2 scan0076 | |
| Test failure log sheet listing various component failures, time to failure, and corresponding remarks. | 10th Oct 1919 | Box 119 \ 2 scan0077 | |
| New and experimental parts fitted to Bumper Chassis X.1831. | 10th Oct 1919 | Box 119 \ 2 scan0078 | |
| The failure of the 40/50 radiator suspension during bumping tests, with recommended modifications. | 10th Oct 1919 | Box 119 \ 2 scan0079 | |
| Bump tests for the 40/50 chassis, detailing the performance of new wheels, shock absorbers, and a radiator. | 27th Nov 1919 | Box 119 \ 2 scan0080 | |
| Component failures, specifically a side member and steering rocking lever, during a severe bump test. | 16th Apr 1919 | Box 119 \ 2 scan0081 | |
| Log of component failures from a bumping test running at 105 bumps per minute. | 27th Nov 1919 | Box 119 \ 2 scan0082 | |
| Laboratory analysis of a fractured steering rocking shaft and a car frame part. | 16th Apr 1919 | Box 119 \ 2 scan0083 | |
| Failure analysis report concluding that cracks originated from drill holes due to a low yield point and repeated bending stress. | 25th Nov 1919 | Box 119 \ 2 scan0084 | |
| Instruction sheet for repair work on a vehicle chassis, listing parts and labor time. | 11th Dec 1919 | Box 119 \ 2 scan0085 | |
| Instruction sheet detailing failures from a bumping test and required repairs. | 13th Mar 1918 | Box 119 \ 2 scan0086 | |
| Issues with rear shock absorbers, including bolt stretching and loose levers on a bumping rig and an EX Car. | 2nd Feb 1920 | Box 119 \ 2 scan0087 | |
| Rear shock absorber friction and the option of abandoning split springs. | 2nd Feb 1920 | Box 119 \ 2 scan0088 | |
| Split rear spring failure on a bumping rig and subsequent investigation into squeaking issues. | 13th Feb 1920 | Box 119 \ 2 scan0089 | |
| Testing chassis stability and the effect of greasing springs on rolling and swaying. | 13th Feb 1920 | Box 119 \ 2 scan0090 | |
| Failure of three split rear springs during testing on a bumping rig. | 16th Feb 1920 | Box 119 \ 2 scan0091 | |
| Modifications to split leaf springs by fitting clips to prevent breakages. | 16th Feb 1920 | Box 119 \ 2 scan0092 | |
| Failures of thick leaf rear springs following a telegram about a broken spring in Spain. | 16th Mar 1920 | Box 119 \ 2 scan0093 | |
| Bumping test results for rear springs and shock absorbers. | 16th Mar 1920 | Box 119 \ 2 scan0094 | |
| Test report detailing rear spring failures during a bump test. | 16th Mar 1920 | Box 119 \ 2 scan0095 | |
| Bump rig tests of split rear springs with fitted extra clips to determine if their operational life could be increased. | 12th Apr 1920 | Box 119 \ 2 scan0096 | |
| The unreliability of present rear springs compared to older models, with a recommendation to revert to the old type. | 12th Apr 1920 | Box 119 \ 2 scan0097 | |
| Test log sheet detailing failures and repairs during a front bumper test. | 30th Apr 1920 | Box 119 \ 2 scan0098 | |
| Log sheet detailing a bumper test on a chassis, recording hours run and remarks on component failures. | 28th May 1920 | Box 119 \ 2 scan0099 | |
| Bump rig testing of new road springs from Messrs. Woodhead, focusing on performance and eliminating leaf squeak. | 21th May 1920 | Box 119 \ 2 scan0100 | |
| Log sheet recording observations and run times for a chassis jumper test. | 2nd Jun 1920 | Box 119 \ 2 scan0101 | |
| Log sheet detailing results from a rear axle bumper test, recording component failures and replacements over several test cycles. | 31th May 1920 | Box 119 \ 2 scan0102 | |
| Report comparing bumping rig tests on two different designs of rear leaf springs. | 10th Jun 1920 | Box 119 \ 2 scan0103 | |
| Continued report page discussing stress on plates which break in turn. | 1st Jun 1920 | Box 119 \ 2 scan0104 | |
| Results from a rear axle bumper test and subsequent Brinell tests on various springs. | 14th Jun 1920 | Box 119 \ 2 scan0105 | |
| Log sheet detailing failures observed during a bumper test on the rear of a chassis. | 21th Jun 1920 | Box 119 \ 2 scan0106 | |
| Bump rig testing of chassis rear springs, detailing multiple leaf failures and future actions. | 16th Jun 1920 | Box 119 \ 2 scan0107 | |
| Log detailing the results and faults found during a bumper test on the rear of a chassis. | 25th Jun 1920 | Box 119 \ 2 scan0108 | |
| Test log for a rear axle on a bumper test, detailing component failures and modifications over a series of tests. | 28th Apr 1920 | Box 119 \ 2 scan0109 | |
| Test results for a rear axle on a bumper test, including spring failure analysis and Brinell hardness tests. | 14th Jun 1920 | Box 119 \ 2 scan0110 | |
| Continued Brinell hardness test results for various spring leaves. | 22th Jun 1927 | Box 119 \ 2 scan0111 | |
| The testing of chassis springs without nibs and slots. | 23th Jun 1920 | Box 119 \ 2 scan0112 | |
| Brinell hardness tests conducted on various chassis springs. | 23th Jun 1920 | Box 119 \ 2 scan0113 | |
| Brinell hardness test results for chassis spring leaves, noting failures and hours run. | 28th Jun 1920 | Box 119 \ 2 scan0114 | |
| Chassis failures during a bump test after switching from split springs to solid leaf springs. | 28th Jun 1920 | Box 119 \ 2 scan0115 | |
| Bumper test, failures observed over time, and subsequent Brinell hardness tests on a broken spring. | 24th Jun 1920 | Box 119 \ 2 scan0116 | |
| Test log for rear bumper springs detailing failures over time and subsequent hardness testing. | 24th Jul 1920 | Box 119 \ 2 scan0117 | |
| Test report for a spring, detailing results from a Brinell hardness test on individual leaves. | 7th Aug 1920 | Box 119 \ 2 scan0118 | |
| Test log sheet detailing failures and repairs of springs and shock absorbers under the title 'Bumper Test'. | 7th Aug 1920 | Box 119 \ 2 scan0119 | |
| Test report on a leaf spring, detailing specifications, Brinell hardness, and damage remarks for each leaf. | 30th Jul 1920 | Box 119 \ 2 scan0120 | |
| Test report for a 6-leaf spring, detailing failures, hardness, and run times. | 2nd Aug 1920 | Box 119 \ 2 scan0121 | |
| Test report for two leaf springs, detailing specifications, installation, and failure analysis. | 7th Aug 1920 | Box 119 \ 2 scan0122 | |
| Test report on a 9-leaf spring detailing failures after a 42.5-hour run. | 19th Aug 1920 | Box 119 \ 2 scan0123 | |
| Test report on a nine-leaf parallel spring, detailing Brinell hardness and damage after a time run. | 18th Aug 1920 | Box 119 \ 2 scan0124 | |
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