| Description | Date | Identifier | |
| New rear road springs for 'Goshawk II' and a request for their inspection. | 25th Aug 1928 | Box 49 \ 3 Scan054 | |
| The development and calculation methods for 'Goshawk II' road springs. | 19th Sep 1921 | Box 49 \ 3 Scan055 | |
| Timeline and delays concerning the instruction and ordering of experimental springs. | 12th Sep 1921 | Box 49 \ 3 Scan056 | |
| Experimental spring stiffness and alternative spring specifications. | 1st Sep 1921 | Box 49 \ 3 Scan057 | |
| Spring specifications and gearbox bearing noise for the Goshawk 11. | 20th Sep 1921 | Box 49 \ 3 Scan058 | |
| Requesting nuts and bolts for the Goshawk 11 front and rear springs. | 18th Oct 1921 | Box 49 \ 3 Scan059 | |
| Notification regarding slightly short centre bolts for Goshawk 11 front springs being temporarily replaced. | 18th Oct 1921 | Box 49 \ 3 Scan060 | |
| The receipt of a set of road springs from Woodhead & Sons for Goshawk II bumping tests. | 19th Oct 1921 | Box 49 \ 3 Scan061 | |
| Bumper test report on a Goshawk 11 chassis, detailing component failure times in hours. | 28th Oct 1921 | Box 49 \ 3 Scan062 | |
| Bumper test for the Goshawk 11 chassis, detailing the failure of front springs and steering levers. | 28th Oct 1921 | Box 49 \ 3 Scan063 | |
| List of springs on order for the Goshawk II chassis for the Works and Experimental Department. | 4th Nov 1921 | Box 49 \ 3 Scan064 | |
| The testing timeline for Firths springs for the Goshawk 11. | 5th Nov 1921 | Box 49 \ 3 Scan065 | |
| The failures of the rear springs and support bracket during a 48-hour bump test of the Goshawk 11 chassis. | 15th Nov 1921 | Box 49 \ 3 Scan066 | |
| Correspondence regarding the return of a faulty set of Goshawk II Road Springs to the supplier for investigation. | 16th Nov 1921 | Box 49 \ 3 Scan067 | |
| Request to order 12 spare top leaves for the Goshawk due to breakages. | 16th Nov 1921 | Box 49 \ 3 Scan068 | |
| Fractured front road spring on a Goshawk II chassis due to an overheated plate supplied by Messrs Woodheads. | 17th Nov 1921 | Box 49 \ 3 Scan069 | |
| Bump test for the Goshawk 11, detailing failures of rear spring brackets and springs. | 17th Nov 1921 | Box 49 \ 3 Scan070 | |
| Poor springing performance on pot-holed roads, noting weak front springs. | 30th Nov 1921 | Box 49 \ 3 Scan071 | |
| Request to arrange the return of Goshawk II road springs supplied for bumper tests. | 6th Dec 1921 | Box 49 \ 3 Scan072 | |
| Chasing the return of Goshawk II road springs from Despatch Stores to the supplier, Messrs. Woodhead & Sons Ltd. | 9th Dec 1921 | Box 49 \ 3 Scan073 | |
| Request for two pairs of rear springs with a 700 lbs normal load for the Experimental Goshawk chassis. | 13th Dec 1921 | Box 49 \ 3 Scan074 | |
| To Mr. Chatwin in Stores, instructing the return of front and rear road springs from a Goshawk chassis to Messrs. Woodheads. | 15th Dec 1921 | Box 49 \ 3 Scan075 | |
| Clearance for the rear shock absorber bracket to allow for the fitting of gaiters to the rear springs. | 28th Dec 1921 | Box 49 \ 3 Scan076 | |
| Test report on the disappointing performance of Firths springs for the Goshawk 11. | 17th Jan 1922 | Box 49 \ 3 Scan077 | |
| Requesting sprung and unsprung weights for the Goshawk II open and limousine cars to develop a springing scheme. | 27th Jan 1922 | Box 49 \ 3 Scan078 | |
| Technical drawing of the Goshawk II rear spring assembly with various measurements. | 1st Feb 1922 | Box 49 \ 3 Scan079 | |
| Hand-drawn diagram of the 'Goshawk II' front leaf spring with dimensions. | 1st Feb 1922 | Box 49 \ 3 Scan080 | |
| 50-hour bumping test for the Goshawk 11, detailing spring bracket performance and unexpected spring failures. | 2nd Feb 1922 | Box 49 \ 3 Scan081 | |
| From Mr. Royce declining a request for a stop on the back shackle for the rear springs. | 2nd Jul 1922 | Box 49 \ 3 Scan082 | |
| Lubrication of the back shackle for the Goshawk 11 rear springs. | 7th Feb 1922 | Box 49 \ 3 Scan083 | |
| Ordering road springs from Messrs. Woodheads and proposals for testing special sets on cars running in France. | 23th Feb 1922 | Box 49 \ 3 Scan084 | |
| Necessity of grinding spring plates to prevent fatigue cracks. | 28th Feb 1922 | Box 49 \ 3 Scan085 | |
| Design modification for a Goshawk 11 broken front spring. | 27th Apr 1922 | Box 49 \ 3 Scan086 | |
| Design, testing, and procurement of front and rear springs for the Goshawk II project. | 14th Mar 1922 | Box 49 \ 3 Scan087 | |
| Order for front and rear springs and clarifying drawing numbers from previous memos. | 14th Mar 1922 | Box 49 \ 3 Scan088 | |
| Listing four sets of front and rear springs of various weight types held in the receiving stores. | 22th Mar 1922 | Box 49 \ 3 Scan089 | |
| Cost difference and potential squeaking issues with 'Goshawk' Axle Springs supplied by Woodhead. | 22th Mar 1922 | Box 49 \ 3 Scan090 | |
| Matters for attention for a golf club's Greens Committee. | 24th Apr 1922 | Box 49 \ 3 Scan091 | |
| Request for the weights of front and rear springs for the Goshawk 11 model. | 24th Apr 1922 | Box 49 \ 3 Scan092 | |
| Ordering front springs and a request to examine a broken steering rod and burst commutator. | 17th May 1934 | Box 49 \ 3 Scan093 | |
| Telegram received by telephone concerning broken Goshawk front springs and replacement sets. | 27th Apr 1922 | Box 49 \ 3 Scan094 | |
| Telegram message received by telephone. | 9th Jul 1918 | Box 49 \ 3 Scan095 | |
| Telegram regarding a broken front spring on a Goshawk-II during 10,000-mile trials and the dispatch of replacement parts. | 4th May 1922 | Box 49 \ 3 Scan096 | |
| Proposed modifications to the Goshawk II's front end of the rear spring. | 10th May 1928 | Box 49 \ 3 Scan097 | |
| Proposed alterations to the rear end of the front springs for the Goshawk 11. | 10th May 1922 | Box 49 \ 3 Scan098 | |
| Technical memo discussing manufacturing difficulties and design alternatives for rear springs, specifically plate thickness and eye types. | 10th May 1922 | Box 49 \ 3 Scan099 | |
| The failure of front springs on the Goshawk model following a 10,000-mile test. | 13th May 1922 | Box 49 \ 3 Scan100 | |
| Note accompanying sketches providing sizes and limits for pivot shackle production. | 13th Sep 1922 | Box 49 \ 3 Scan101 | |
| Drawing detailing clearances and dimensions for the front end of a Goshawk II front spring assembly. | 13th May 1922 | Box 49 \ 3 Scan102 | |
| Engineering drawing detailing the clearances and dimensions for the Goshawk II rear spring assembly. | 19th Jul 1917 | Box 49 \ 3 Scan103 | |
| Increasing the spring rate in conjunction with using deeper buffers on the Goshawk 11 front springs. | 15th May 1922 | Box 49 \ 3 Scan104 | |
| Performance feedback and required modifications for a car after a 3700-mile run in France. | 17th May 1922 | Box 49 \ 3 Scan105 | |
| The improper fitting of springs and a recommendation to dismiss the responsible workmen. | 19th May 1922 | Box 49 \ 3 Scan106 | |
| The breaking of front springs on the Goshawk model, discussing causes and potential solutions. | 19th May 1922 | Box 49 \ 3 Scan107 | |
| Squeaking thick leaf rear springs on the 40/50 chassis and proposing solutions. | 19th May 1922 | Box 49 \ 3 Scan108 | |
| Weight limit variations and specifications for Goshawk II rear springs. | 19th May 1922 | Box 49 \ 3 Scan109 | |
| Issues with front spring clips loosening on Goshawk-11 and 40/50 car models. | 19th May 1922 | Box 49 \ 3 Scan110 | |
| The disadvantages of the Goshawk-11 spring fixing mechanism and a fault causing springs to work loose. | 15th Mar 1917 | Box 49 \ 3 Scan111 | |
| Dispatch of two spring clips and one sheath to Mr. Royce for examination. | 19th May 1922 | Box 49 \ 3 Scan112 | |
| Requesting a check on the fitting and tightness of spring clips on two cars. | 20th May 1922 | Box 49 \ 3 Scan113 | |
| Issues found with the 4-GOSHAWK-11 car after testing in France, including suspension problems. | 17th May 1922 | Box 49 \ 3 Scan114 | |
| Issue with the incorrect fitting of springs and an axle, recommending the dismissal of the responsible workmen. | 19th May 1922 | Box 49 \ 3 Scan115 | |
| The issue of loose front springs on a Goshawk-11 car and comparisons with the 40/50 model. | 19th May 1922 | Box 49 \ 3 Scan116 | |
| The disadvantages and observed faults of the Goshawk-ll spring fixing mechanism. | 15th Mar 1917 | Box 49 \ 3 Scan117 | |
| Modifications to the Goshawk 11 rear spring rear shackles following a 10,000-mile trial. | 20th May 1922 | Box 49 \ 3 Scan118 | |
| Issues with front spring fittings working loose and proposing design modifications. | 22th May 1922 | Box 49 \ 3 Scan119 | |
| Design modifications related to clips, the Goshawk arrangement, and the central bolt on a 40/50 model. | 25th May 1922 | Box 49 \ 3 Scan120 | |
| Stop for the Goshawk's rear spring shackle to prevent axle pushback. | 25th May 1922 | Box 49 \ 3 Scan121 | |
| Telegram received by telephone regarding a broken near-side front spring and lack of spares. | 27th May 1922 | Box 49 \ 3 Scan122 | |
| Telegram requesting a front spring topplate spare part to be sent to Grenoble, France. | 17th Jun 1922 | Box 49 \ 3 Scan123 | |
| Letter regarding the despatch of new pattern front springs for a Goshawk model to Grenoble for testing. | 1st Jun 1922 | Box 49 \ 3 Scan124 | |
| Instructing the stores department to despatch two Goshawk springs via aeroplane to the Paris Depot for redirection to a customer in Grenoble. | 8th Jun 1922 | Box 49 \ 3 Scan125 | |
| Recurring front spring failure on the 6-Goshawk-11 vehicle and the dispatch of uprated replacements. | 9th Jun 1922 | Box 49 \ 3 Scan126 | |
| Report and internal discussion regarding issues with chassis 7-G-11, specifically spring bumping and battery placement. | 16th Jun 1922 | Box 49 \ 3 Scan127 | |
| Failure of battery box brackets and the preparation of a replacement part to be sent to Paris. | 28th Jun 1922 | Box 49 \ 3 Scan128 | |
| 'Goshawk' front spring failures and the testing of improved replacements from Messers. Woodheads. | 28th Jun 1922 | Box 49 \ 3 Scan129 | |
| Arranging the despatch of two Goshawk front springs to the Paris depot by aeroplane. | 28th Jun 1922 | Box 49 \ 3 Scan130 | |
| Despatch note for two Goshawk II front springs to be sent to Paris via aeroplane. | 28th Jun 1922 | Box 49 \ 3 Scan131 | |
| Proposing a test for a longitudinal steering tube with spring buffers for the Goshawk project. | 5th Jul 1922 | Box 49 \ 3 Scan132 | |
| Technical memorandum on front spring faults for the Goshawk 11 chassis and the results of testing improved springs. | 11th Jul 1922 | Box 49 \ 3 Scan133 | |
| Technical discussion regarding modifications to front springs and buffers, including clearance measurements and testing. | 19th Jul 1922 | Box 49 \ 3 Scan134 | |
| Instruction to remove the extra ¼' packing from the experimental front springs on car 7-Goshawk-11. | 19th Jul 1922 | Box 49 \ 3 Scan135 | |
| Letter confirming arrangements for testing axle springs for the 40/50 HP and Goshawk models. | 26th Jul 1922 | Box 49 \ 3 Scan136 | |
| Telegram from Paris reporting a broken master leaf spring on a Goshawk and requesting a replacement. | 10th Aug 1922 | Box 49 \ 3 Scan137 | |
| Recommendation to fit Wefco type gaiters to the road springs on all Goshawk 11 cars. | 10th Aug 1922 | Box 49 \ 3 Scan138 | |
| Clarifying a misunderstanding regarding the design of the Goshawk II front springs. | 10th Aug 1922 | Box 49 \ 3 Scan139 | |
| The failure of a Goshawk 11 front road spring after approximately 5000 miles. | 11th Aug 1922 | Box 49 \ 3 Scan140 | |
| Works order for three top leaves for front springs for chassis 7/G/II. | 12th Aug 1922 | Box 49 \ 3 Scan141 | |
| Requesting the despatch of Goshawk front spring parts to the Paris depot by aeroplane. | 12th Aug 1922 | Box 49 \ 3 Scan142 | |
| From R. to Hs. regarding arrangements for Goshawk No. 6 and modifications for Goshawk-11 engines. | 12th Aug 1932 | Box 49 \ 3 Scan143 | |
| Brief internal memo from 'Hs.' to 'BY.' regarding remarks in an attached note. | 14th Aug 1922 | Box 49 \ 3 Scan144 | |
| Agreement to fit Goshawk 11 cars with Wefco type gaiters. | 12th Aug 1922 | Box 49 \ 3 Scan145 | |
| The receipt and trial of special front springs for a Goshawk 11. | 8th Aug 1922 | Box 49 \ 3 Scan146 | |
| Extract discussing road springs, comparing the less flexible '6-Goshawk-11' setup to the preferred '4-Goshawk-11'. | 21th Aug 1922 | Box 49 \ 3 Scan147 | |
| Requirements for Goshawk 11 experimental front road springs. | 22th Aug 1922 | Box 49 \ 3 Scan148 | |
| Order for experimental front road springs for the 'Goshawk II'. | 28th Aug 1922 | Box 49 \ 3 Scan149 | |
| The Goshawk 11 front springs, comparing the performance of parts from suppliers Firths and Woodheads. | 30th Aug 1922 | Box 49 \ 3 Scan150 | |
| Steering modifications and planned experiments for the Goshawk 11 production chassis. | 11th Sep 1922 | Box 49 \ 3 Scan151 | |
| Request for an informal report on the design of spring shackles and bushes for export chassis. | 1st Sep 1922 | Box 49 \ 3 Scan152 | |
| Test results on spring shackles and bushes, recommending the use of hardened surfaces. | 9th Sep 1922 | Box 49 \ 3 Scan153 | |
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