| Description | Date | Identifier | |
| Fitment of buttress tread Dunlop tyres on Phantom II spare wheel carriers. | 30th Oct 1929 | Box 13 \ 5 Spare05-page074 | |
| Weight distribution and steering effects of mounting spare wheels at the rear of cars, referencing a specific case for H.R.H. The Prince of Wales. | 26th Nov 1939 | Box 13 \ 5 Spare05-page075 | |
| Rear wheel carrier modifications to accommodate different tyre sizes and the impact on coachwork. | 12th Oct 1929 | Box 13 \ 5 Spare05-page076 | |
| Letter discussing a strategy for stocking Phantom II chassis with various spare wheel and luggage carrier configurations for Australian agents. | 30th Dec 1920 | Box 13 \ 5 Spare05-page077 | |
| New design for the Phantom II rear wheel carrier hub bracket. | 16th Jan 1930 | Box 13 \ 5 Spare05-page078 | |
| Modifications required for a spare wheel carrier for 7' section tyres. | 3rd Feb 1930 | Box 13 \ 5 Spare05-page079 | |
| Design issue with the conical distance piece for the side spare wheel carrier. | 14th Jul 1930 | Box 13 \ 5 Spare05-page080 | |
| Sub-frames, spare wheels, and chassis blueprints for the Phantom II chassis in relation to the American Company. | 1st Sep 1930 | Box 13 \ 5 Spare05-page081 | |
| Inquiry regarding the supply status of blueprints requested by Mr. Beaver. | 2nd Sep 1930 | Box 13 \ 5 Spare05-page082 | |
| Tests on the Phantom II chassis regarding the subframe mounting and body 'boom'. | 3rd Sep 1930 | Box 13 \ 5 Spare05-page083 | |
| The advantages of a car subframe and the placement of spare wheels. | 5th Sep 1930 | Box 13 \ 5 Spare05-page084 | |
| Percentage of Phantom II cars carrying spare wheels at the rear. | 5th Sep 1930 | Box 13 \ 5 Spare05-page085 | |
| Proportion of cars with rear-mounted versus side-mounted spare wheels, citing Phantom II and 20/25 chassis statistics. | 5th Sep 1930 | Box 13 \ 5 Spare05-page086 | |
| Testing side spare wheel carriers to reduce movement and engine vibration on chassis 20-EX. | 5th Mar 1931 | Box 13 \ 5 Spare05-page087 | |
| On modifying side spare wheel carriers to address issues caused by removing rear engine feet. | 5th Mar 1931 | Box 13 \ 5 Spare05-page088 | |
| Frame rigidity and the design of brackets for side wheel carriers on 20/25 HP and Phantom II models. | 10th Mar 1931 | Box 13 \ 5 Spare05-page089 | |
| Parts list to be put in hand for stiffening the 40/50 HP chassis side spare wheel carrier. | 27th Mar 1931 | Box 13 \ 5 Spare05-page090 | |
| Body booms and the effects of removing rear engine feet on car model 18-EX. | 31th Mar 1931 | Box 13 \ 5 Spare05-page091 | |
| Standardisation of side-mounted spare wheel carriers for the Phantom II and 20/25 HP models. | 4th May 1931 | Box 13 \ 5 Spare05-page092 | |
| Programme for the design and standardisation of wheel carriers and luggage grids for P.2 and 20/25 series cars. | 7th May 1931 | Box 13 \ 5 Spare05-page093 | |
| Recommendations for spare wheel carrying positions and equipment. | 7th May 1931 | Box 13 \ 5 Spare05-page094 | |
| Forwarding documents regarding the present position on spare wheel carriers and awaiting information to decide on future equipment. | 7th May 1931 | Box 13 \ 5 Spare05-page095 | |
| Design of luggage grids and wheel carriers for the N.2 series chassis. | 5th May 1931 | Box 13 \ 5 Spare05-page096 | |
| Wheel carrier and luggage grid options for the back end of the 20/25 chassis. | 5th May 1931 | Box 13 \ 5 Spare05-page097 | |
| Requesting an urgent design for a side spare wheel carrier stay for cars with Diamond engine mounting. | 25th Jun 1931 | Box 13 \ 5 Spare05-page098 | |
| Methods for steadying the side wheel carrier. | 26th Jun 1931 | Box 13 \ 5 Spare05-page099 | |
| Page discussing a potential request from the Sales department regarding the 20/25 HP car. | 2nd Jul 1931 | Box 13 \ 5 Spare05-page100 | |
| Experimental fitting of a stiffener for the side spare wheel carrier support. | 2nd Jul 1931 | Box 13 \ 5 Spare05-page101 | |
| Proposed frame triangulation to stiffen the right-hand side spare wheel carrier for the 20/25 model. | 1st Jul 1931 | Box 13 \ 5 Spare05-page102 | |
| Index of files relating to V-tubes, designs, and broken parts for the 25 HP and Phantom II models. | 8th Sep 1931 | Box 13 \ 5 Spare05-page103 | |
| Solutions for side wheel carrier unsteadiness, proposing new tests and mounting configurations. | 8th Sep 1931 | Box 13 \ 5 Spare05-page104 | |
| Drawing and notes regarding a stay bracket attached to a flange and web. | 25th Sep 1931 | Box 13 \ 5 Spare05-page105 | |
| The standardisation of the diamond mounting on the Phantom II and the resulting need for frame reinforcement. | 25th Sep 1931 | Box 13 \ 5 Spare05-page106 | |
| Outlining design considerations for a spare wheel carrier and diamond engine mounting for the Sphone EV. | 5th Oct 1931 | Box 13 \ 5 Spare05-page107 | |
| Necessity of a side spare wheel carrier to prevent frame 'jellying'. | 9th Oct 1931 | Box 13 \ 5 Spare05-page108 | |
| Correspondence regarding failures of side wheel carrier stays and proposed solutions for twisting chassis frames. | 14th Oct 1931 | Box 13 \ 5 Spare05-page109 | |
| Unsteadiness of the side wheel carrier and the conflict between a proposed fix and future design requirements for longer bonnets. | 14th Oct 1931 | Box 13 \ 5 Spare05-page110 | |
| Requesting another set of side spare wheel bracket supports for a road test on the 20-EX model. | 19th Oct 1931 | Box 13 \ 5 Spare05-page111 | |
| Tests conducted to eliminate flapping and pedal oscillation caused by side spare wheel carriers. | 20th Oct 1931 | Box 13 \ 5 Spare05-page112 | |
| The modification and testing of spare wheel mounting brackets to prevent noise and movement. | 9th Aug 1931 | Box 13 \ 5 Spare05-page113 | |
| Experiments on side spare wheel carriers for the 25 HP and 40/50 models. | 20th Oct 1931 | Box 13 \ 5 Spare05-page114 | |
| Standardisation of chassis parts for spare wheel carriers on the side. | 5th May 1931 | Box 13 \ 5 Spare05-page115 | |
| Standardization form for chassis parts detailing new part fitment for 20/25 HP and 40/50 HP models. | 21th Aug 1921 | Box 13 \ 5 Spare05-page116 | |
| Fitting an internal support for side spare wheel carriers to car 20-EX. | 3rd Dec 1931 | Box 13 \ 5 Spare05-page117 | |
| Changing the scheme for internal support for side spare wheel carriers on car 20-EX. | 3rd Dec 1931 | Box 13 \ 5 Spare05-page118 | |
| Requesting a report on schemes for steadying side wheel carriers on P.2 and 25HP models. | 10th Dec 1931 | Box 13 \ 5 Spare05-page119 | |
| Standardisation of bonnets and side wheel carrier stays for the 25 HP and P.2 models. | 21th Dec 1931 | Box 13 \ 5 Spare05-page120 | |
| Standardisation of longer bonnets for cars. | 21th Dec 1931 | Box 13 \ 5 Spare05-page121 | |
| Deflection tests and proposed improvements for internal supports on side spare wheel carriers. | 30th Dec 1931 | Box 13 \ 5 Spare05-page122 | |
| Deflection tests on a bumper chassis, focusing on frame movement reduction and bracket design for 25HP and P.2 models. | 30th Dec 1931 | Box 13 \ 5 Spare05-page123 | |
| Blueprint of the test apparatus for a 25 HP side spare wheel bracket. | 30th Dec 1931 | Box 13 \ 5 Spare05-page124 | |
| Blueprint diagram illustrating a clutch pedal mechanism. | 6th Apr 1932 | Box 13 \ 5 Spare05-page125 | |
| Request for a report on the satisfactory operation of the pedals and wheel carrier on the 20-EX chassis. | 6th Apr 1932 | Box 13 \ 5 Spare05-page126 | |
| The testing of side spare wheel carrier supports and their effect on cantilever pedals for a 20-25K car. | 8th Apr 1932 | Box 13 \ 5 Spare05-page127 | |
| Fitting of supports for side spare wheel carriers, from the 89th chassis in the N.2 series. | 16th Apr 1932 | Box 13 \ 5 Spare05-page128 | |
| Standardisation of chassis parts for a concealed support for side spare wheel carriers. | 12th Apr 1932 | Box 13 \ 5 Spare05-page129 | |
| The standardization of a chassis part, including costs and approvals. | 23th Apr 1921 | Box 13 \ 5 Spare05-page130 | |
| Broken bolts on a Phantom II wheel carrier and a proposed increase in bolt size. | 7th Jul 1932 | Box 13 \ 5 Spare05-page131 | |
| Modification to the Phantom II chassis spare wheel carrier stiffener bolts. | 12th Jul 1932 | Box 13 \ 5 Spare05-page132 | |
| Standardisation of side spare wheel carriers with steadying stays, replacing 5/16' bolts with 3/8' bolts. | 12th Aug 1932 | Box 13 \ 5 Spare05-page133 | |
| Standardisation report for replacing the 'S.G.' Rolls valve guide with a new bearing type. | 1st Jun 1932 | Box 13 \ 5 Spare05-page134 | |
| Vibration issues with the Phantom II spare wheel carrier and a request for a reinforcement solution. | 3rd Jun 1933 | Box 13 \ 5 Spare05-page135 | |
| Vibratory movements in the spare wheel carriers for the Phantom II and a proposed modification. | 22th Jun 1933 | Box 13 \ 5 Spare05-page136 | |
| Experiment to improve the side spare wheel carriers for the Phantom II due to wheels dithering. | 1st Jul 1933 | Box 13 \ 5 Spare05-page137 | |
| Complaint of excessive oscillation in side spare wheel carriers on Phantom II cars. | 11th Jul 1933 | Box 13 \ 5 Spare05-page138 | |
| Tests measuring the deflection and oscillation of the Phantom side spare wheel carrier. | 11th Jul 1933 | Box 13 \ 5 Spare05-page139 | |
| Schematics for the rear end of the EAC.7 chassis, including luggage carrier and gusset design. | 26th Apr 1926 | Box 13 \ 6 06-page01 | |
| Design alterations for a spare wheel carrier and luggage rack at the rear of a vehicle. | 17th Jan 1927 | Box 13 \ 6 06-page02 | |
| Providing additional schematics for the rear wheel carrier and luggage grid. | 18th Jan 1927 | Box 13 \ 6 06-page03 | |
| Unfinished schematics for a rear wheel carrier and luggage grid. | 20th Jan 1927 | Box 13 \ 6 06-page04 | |
| Design modifications to the Phantom luggage carrier side forgings. | 24th May 1927 | Box 13 \ 6 06-page05 | |
| Proposals for the rear end of the frame, covering the spare wheel carrier, luggage grid, and petrol tank. | 31th Mar 1928 | Box 13 \ 6 06-page06 | |
| Design issues and alternative schemes for the rear end of the EAC.10 'SS' chassis. | 14th Apr 1928 | Box 13 \ 6 06-page07 | |
| Coachbuilding schemes for luggage space and chassis details. | 20th Apr 1928 | Box 13 \ 6 06-page08 | |
| Obsolete parts for a Phantom Luggage Grid and requesting failure reports. | 20th Apr 1928 | Box 13 \ 6 06-page09 | |
| Design and alignment of the rear wheel and luggage carrier for the Phantom model. | 13th Jun 1928 | Box 13 \ 6 06-page10 | |
| New arrangement for two wheels and a luggage box at the rear for model 18-EX. | 20th Oct 1928 | Box 13 \ 6 06-page11 | |
| Specification for trunks for model 18.EX. | 23th Oct 1928 | Box 13 \ 6 06-page12 | |
| Letter to E. Harrison & Sons Ltd discussing the design and production of 'Rappa' motor trunks. | 23th Oct 1928 | Box 13 \ 6 06-page13 | |
| Secret memo discussing proposed schemes for rear luggage and spare wheel accommodation. | 27th Oct 1928 | Box 13 \ 6 06-page14 | |
| Letter to E. Harrison & Sons Ltd. regarding the collection of a set of trunks for Mr. Royce's car, 18.EX. | 19th Nov 1928 | Box 13 \ 6 06-page15 | |
| Expediting an order for trunks for car 18.EX and arranging their collection. | 19th Nov 1928 | Box 13 \ 6 06-page16 | |
| Requesting to have a luggage box fitted to a vehicle to improve its appearance without it. | 20th Nov 1928 | Box 13 \ 6 06-page17 | |
| Drawing N.Sch.2744 for the trunks of the 18-EX model. | 24th Nov 1928 | Box 13 \ 6 06-page18 | |
| To Mr. Royce regarding the dispatch of inner cases for the rear trunk of car 18-EX. | 30th Nov 1928 | Box 13 \ 6 06-page19 | |
| Various schemes for spare wheel and luggage arrangements on 'SS' models. | 17th Jan 1929 | Box 13 \ 6 06-page20 | |
| Print of a schedule for the rear trunk case of the 23-EX model. | 22th Jan 1929 | Box 13 \ 6 06-page21 | |
| 'SS' luggage grid and side wheel carrier, including proposed modifications. | 28th Jan 1929 | Box 13 \ 6 06-page22 | |
| Modifications to the rear trunk fittings and petrol tank stay for the 23-EX chassis. | 7th Feb 1929 | Box 13 \ 6 06-page23 | |
| Proposed schemes for spare wheel and luggage carrier arrangements on the 'SS' Chassis rear end. | 2nd Feb 1929 | Box 13 \ 6 06-page24 | |
| Scheme for rear luggage and spare wheel placement to manage weight distribution. | 13th Feb 1929 | Box 13 \ 6 06-page25 | |
| Luggage carrying arrangements on 'SS' chassis cars. | 13th Feb 1929 | Box 13 \ 6 06-page26 | |
| Design and integration of a luggage box on the 18-EX model. | 13th Feb 1929 | Box 13 \ 6 06-page27 | |
| Design drawing showing the rear section of a car body, noting a dimension is the same as model 18 EX. | 1st Mar 1929 | Box 13 \ 6 06-page28 | |
| Side wheel carriers and luggage capacity for the 'WGM' chassis. | 1st Mar 1929 | Box 13 \ 6 06-page29 | |
| The design, configuration options, and testing of a rear luggage carrier for the SS model. | 17th May 1929 | Box 13 \ 6 06-page30 | |
| Issue where the S.221 tail lamp fouls the luggage carrier on S.S. cars. | 17th Sep 1929 | Box 13 \ 6 06-page31 | |
| Design improvements for the rear of the Phantom II chassis. | 11th Feb 1930 | Box 13 \ 6 06-page32 | |
| Design modifications to the rear of a P.2 model when no spare wheel is fitted. | 12th Jul 1930 | Box 13 \ 6 06-page33 | |
| Modifications to the petrol tank, a three-gallon reserve, and luggage grids for cars without a rear spare wheel. | 14th Aug 1930 | Box 13 \ 6 06-page34 | |
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