| Description | Date | Identifier | |
| Suggestion to experiment with using thin lubricating oil as an anti-freeze in radiators for cars at the front. | 20th Oct 1914 | Box 151 \ 3 scan0007 | |
| Testing oil as an anti-freezing mixture in place of water for engine cooling. | 16th Nov 1914 | Box 151 \ 3 scan0008 | |
| And testing different anti-freeze solutions such as salt, soda, and methylated spirits for radiators. | 16th Nov 1914 | Box 151 \ 3 scan0009 | |
| Comparison of different anti-freeze solutions for vehicle radiators, including glycerine, salt, and methylated spirits. | 18th Nov 1914 | Box 151 \ 3 scan0010 | |
| Forwarding a letter and cuttings about anti-freezing mixtures, requesting a report. | 18th Nov 1914 | Box 151 \ 3 scan0011 | |
| Letter from the Toronto office discussing satisfactory anti-freeze mixtures for use in Canada. | 10th Oct 1914 | Box 151 \ 3 scan0012 | |
| The use and effects of various anti-freeze mixtures in car cooling systems, noting deterioration of rubber parts. | 19th Nov 1914 | Box 151 \ 3 scan0013 | |
| The testing of a suggested anti-freezing mixture. | 19th Nov 1914 | Box 151 \ 3 scan0014 | |
| Recommendations for anti-freeze mixture solutions for water circulating systems. | 15th Sep 1914 | Box 151 \ 3 scan0015 | |
| Guide on the types and properties of anti-freezing mixtures for use in motor cars. | 15th Sep 1914 | Box 151 \ 3 scan0016 | |
| Guide on various anti-freeze solutions for cooling systems, detailing mixtures and their properties. | 15th Sep 1914 | Box 151 \ 3 scan0017 | |
| Instructions on neutralizing acidic solutions and a table of calcium chloride concentrations for anti-freeze. | 15th Sep 1914 | Box 151 \ 3 scan0018 | |
| Internal order request for 6 gallons of Glycerine and 2 gallons of denatured alcohol. | 26th Nov 1914 | Box 151 \ 3 scan0019 | |
| Article discussing 'Aglace', an anti-freeze preparation for motor car cooling systems, detailing its properties and recommended mixing ratios. | 28th Nov 1914 | Box 151 \ 3 scan0020 | |
| Availability of different types of de-natured alcohol for experiments with anti-freezing mixtures. | 2nd Jan 1915 | Box 151 \ 3 scan0021 | |
| Laboratory analysis of two glycol-based liquids for potential cooling applications. | 19th Feb 1920 | Box 151 \ 3 scan0022 | |
| Letter confirming a sample will be forwarded and asking if one litre is a convenient quantity. | 21th May 1920 | Box 151 \ 3 scan0023 | |
| Letter to E. Lewis regarding the testing of Tri-methylene-glycol for use in radiators. | 13th May 1920 | Box 151 \ 3 scan0024 | |
| Requesting tests on tri-methylene-glycol as a non-freezing cooling medium. | 1st May 1920 | Box 151 \ 3 scan0025 | |
| Proposal to use tri-methylene-glycol as an engine coolant and anti-freeze, noting its properties and origin as a waste product. | 11th May 1920 | Box 151 \ 3 scan0026 | |
| Note discussing the difficulties of using glycerine and proposing tri-methylene-glycol as an alternative. | 1st Jul 1920 | Box 151 \ 3 scan0027 | |
| Use and testing of a non-freezing liquid for cooling purposes in an experimental car. | 1st Jul 1920 | Box 151 \ 3 scan0028 | |
| Order of 10 gallons of Trimethyleneglycol for Mr Hives to test on a car. | 24th Mar 1920 | Box 151 \ 3 scan0029 | |
| Letter from E. Lewis requesting an update on experiments with Trimethyleneglycol. | 27th Sep 1920 | Box 151 \ 3 scan0030 | |
| Forwarding letters received from the 'All's Well' Oil Co. Ltd. regarding their Anti-Freezing Compound and asking whether to obtain samples for testing. | 31th Dec 1920 | Box 151 \ 3 scan0031 | |
| Copy of a letter from 'All's Well' Oil Co. Ltd. promoting their anti-freezing compound. | 29th Dec 1920 | Box 151 \ 3 scan0032 | |
| Letter from 'ALL'S WELL' OIL CO. LTD. regarding their anti-freezing compound for motor radiators. | 26th Nov 1920 | Box 151 \ 3 scan0033 | |
| The second page of a letter detailing the price and return conditions for steel barrels. | 19th Jul 1917 | Box 151 \ 3 scan0034 | |
| 'All's Well' Anti-freezing Compound and requesting a decision on obtaining samples for testing. | 31th Dec 1920 | Box 151 \ 3 scan0035 | |
| Internal memorandum regarding a trial of All's Well Anti-Freezing Compound for production tests. | 10th Jan 1921 | Box 151 \ 3 scan0036 | |
| To Mr. Warwick requesting a report on 'All's Well' Anti-Freezing Compound. | 17th Jan 1921 | Box 151 \ 3 scan0037 | |
| Failed test of an anti-freezing compound due to a radiator leak, with a request for a further sample for investigation. | 20th Jan 1922 | Box 151 \ 3 scan0038 | |
| The problem of a filter freezing in the back tank due to severe winter conditions. | 9th Sep 1921 | Box 151 \ 3 scan0039 | |
| Follow-up letter regarding the trial of tri-methyleneglycol as a radiator fluid. | 25th Nov 1921 | Box 151 \ 3 scan0040 | |
| Proposed test of 'All's Well' Anti-freezing Compound. | 5th Dec 1921 | Box 151 \ 3 scan0041 | |
| Question and answer page from a motoring magazine covering general interest topics. | 15th Dec 1920 | Box 151 \ 3 scan0042 | |
| Page from 'The Motor' magazine discussing an automatic road signalling system, steering gear, and a removable dash lamp. | 15th Dec 1920 | Box 151 \ 3 scan0043 | |
| Unknown freezing mixture supplied to Shell Mex, possibly Trimethyleneglycol, a by-product of soap manufacturing. | 22th Dec 1922 | Box 151 \ 3 scan0044 | |
| Request for details and a sample of an anti-freezing mixture sold by the Shell-Mex Co. | 9th Jan 1923 | Box 151 \ 3 scan0045 | |
| Cover letter attaching correspondence from Shell-Mex Ltd. regarding an Anti-Freezing Mixture sample. | 15th Jan 1923 | Box 151 \ 3 scan0046 | |
| Quotation letter from Shell-Mex Limited for Anti-Freezing Mixture. | 12th Jan 1923 | Box 151 \ 3 scan0047 | |
| Experimenting with Shell-Mex anti-freezing mixture. | 8th Jan 1923 | Box 151 \ 3 scan0048 | |
| Laboratory report on the action of 'Shell' Anti-Freezing Compound on rubber connections. | 19th Feb 1923 | Box 151 \ 3 scan0049 | |
| Requesting a report on the testing of an anti-freezing mixture. | 19th Feb 1923 | Box 151 \ 3 scan0050 | |
| Supply and experimentation of an anti-freezing mixture. | 6th Apr 1923 | Box 151 \ 3 scan0051 | |
| Inquiry for trimethyleneglycol and the arrangement to supply a substitute pure glycerine mixture. | 28th Feb 1929 | Box 151 \ 3 scan0052 | |
| Advertisement and instruction leaflet for 'RAD', an anti-frost solution for car radiators. | 28th Feb 1929 | Box 151 \ 3 scan0053 | |
| Informational leaflet about using 'RAD' branded Motor Glycerine as an anti-freeze in a car's cooling system. | 28th Feb 1929 | Box 151 \ 3 scan0054 | |
| Letter from L. R. B. Pearce, Ltd. offering to supply antifreeze products, Ethylene Glycol and RAD. | 28th Feb 1929 | Box 151 \ 3 scan0055 | |
| Letter from L.R.B. Pearce Ltd. regarding a mixture for frost immunity. | 28th Feb 1929 | Box 151 \ 3 scan0056 | |
| Letter from Christr. Thomas & Bros. Ltd. concerning the dispatch and properties of 'Zero' radiator glycerine anti-freeze. | 28th Feb 1929 | Box 151 \ 3 scan0057 | |
| Letter from Christr. Thomas & Bros. Ltd. regarding the properties of 'Zero' antifreeze for cooling systems. | 19th Oct 1928 | Box 151 \ 3 scan0058 | |
| Price list for Zero Radiator Glycerine in bulk. | 19th Oct 1928 | Box 151 \ 3 scan0059 | |
| Advertisement for 'Zero' Anti-Freezing Radiator Glycerine. | 19th Oct 1928 | Box 151 \ 3 scan0060 | |
| Advertisement tag for 'Zero' anti-freeze radiator glycerine. | 19th Oct 1928 | Box 151 \ 3 scan0061 | |
| Table showing the relative viscosity of aqueous glycerol solutions compared with water at various temperatures. | 19th Oct 1928 | Box 151 \ 3 scan0062 | |
| Graph showing the boiling point curve for aqueous solutions of glycerin. | 19th Oct 1928 | Box 151 \ 3 scan0063 | |
| Graph showing the freezing point curve for glycerol-water mixtures. | 28th Feb 1929 | Box 151 \ 3 scan0064 | |
| Letter from Christr. Thomas & Bros. Ltd. regarding a sample of 'Zero' radiator glycerine for aircraft engine experiments. | 28th Feb 1929 | Box 151 \ 3 scan0065 | |
| Letter from Christr. Thomas & Bros. Ltd. regarding a circulating system and arranging a works visit. | 1st Jan 1925 | Box 151 \ 3 scan0066 | |
| Graph showing the freezing point curve for glycerol-water mixtures. | 1st Jan 1925 | Box 151 \ 3 scan0067 | |
| Graph showing the boiling point curve for aqueous solutions of glycerin. | 1st Jan 1925 | Box 151 \ 3 scan0068 | |
| Table of the relative viscosity of aqueous glycerol solutions compared with water at various temperatures and concentrations. | 1st Mar 1929 | Box 151 \ 3 scan0069 | |
| Letter discussing the properties and use of Zero Anti-Freezing Glycerine in internal combustion engines. | 1st Mar 1929 | Box 151 \ 3 scan0070 | |
| Freezing point curve graph for glycerol and water mixtures. | 1st Mar 1929 | Box 151 \ 3 scan0071 | |
| Hand-drawn graph showing the boiling point curve for aqueous solutions of glycerine. | 1st Mar 1929 | Box 151 \ 3 scan0072 | |
| Table detailing the relative viscosity of aqueous glycerol solutions compared with water at various temperatures. | 1st Mar 1929 | Box 151 \ 3 scan0073 | |
| Letter regarding a telegram to cancel a glycerine order which was received after the goods had already been despatched. | 1st Mar 1929 | Box 151 \ 3 scan0074 | |
| Anti-freezing mixture correspondence and the dispatch of glycerine for a DH.9A engine. | 2nd Mar 1929 | Box 151 \ 3 scan0075 | |
| Letter from a supplier about a late cancellation of a glycerine order. | 1st Mar 1929 | Box 151 \ 3 scan0076 | |
| Letter to a supplier regarding tests on trimethylene-glycol and an inquiry about its discontinued manufacture. | 2nd Mar 1929 | Box 151 \ 3 scan0077 | |
| Inquiry about the supply and potential issues with using Trimethyleneglycol, a soap by-product. | 4th Mar 1929 | Box 151 \ 3 scan0078 | |
| Letter from L.R.B. Pearce, Ltd. discussing the properties and availability of different antifreeze materials for radiators. | 5th Mar 1939 | Box 151 \ 3 scan0079 | |
| Letter from L.R.B. Pearce Ltd. discussing the price of a substance compared to RAD and Ethylene Glycol. | 5th Mar 1939 | Box 151 \ 3 scan0080 | |
| Advertising leaflet for RAD anti-freeze, including directions for use and pricing. | 5th Mar 1939 | Box 151 \ 3 scan0081 | |
| Informational leaflet advertising 'RAD', a special grade of Glycerine antifreeze for motor car cooling systems. | 16th Mar 1929 | Box 151 \ 3 scan0082 | |
| Covering note regarding the supply of trimethylene-Glycol from Christopher Thomas & Bros. Ltd. | 16th Mar 1929 | Box 151 \ 3 scan0083 | |
| Letter from Christr. Thomas & Bros. Ltd. regarding the supply of trimethylene-glycol for anti-freeze testing. | 15th Mar 1929 | Box 151 \ 3 scan0084 | |
| Aero Engines, requesting remarks on an enclosed letter from Oy. | 15th Apr 1929 | Box 151 \ 3 scan0085 | |
| Letter discussing the benefits and technical details of using ethylene-glycol coolant in aero engines. | 29th Mar 1929 | Box 151 \ 3 scan0086 | |
| The use and properties of Ethylene-glycol (Eveready Prestone) as an anti-freeze solution. | 10th Apr 1939 | Box 151 \ 3 scan0087 | |
| Letter from L. R. B. Pearce, Ltd. confirming a previous communication about anti-freeze products. | 10th Apr 1939 | Box 151 \ 3 scan0088 | |
| Use of ethylene-glycol and comparing it with past experiments on tri-methylene-glycol for aero engine cooling systems. | 19th Apr 1929 | Box 151 \ 3 scan0089 | |
| Letter acknowledging observations and offers regarding anti-freezing solutions. | 15th May 1929 | Box 151 \ 3 scan0090 | |
| Letter from L.R.B. Pearce, Ltd. discussing their antifreeze product and its properties. | 16th May 1929 | Box 151 \ 3 scan0091 | |
| Advertisement leaflet for RAD anti-freeze with usage directions and pricing information. | 1st Feb 1929 | Box 151 \ 3 scan0092 | |
| Advertising leaflet for RAD Motor Anti-Freeze Compound. | 1st Feb 1929 | Box 151 \ 3 scan0093 | |
| Air Ministry general specification document for Ethylene Glycol. | 1st Jul 1929 | Box 151 \ 3 scan0094 | |
| Use and effects of Ethylene Glycol as a high-temperature coolant for engines. | 26th Jul 1929 | Box 151 \ 3 scan0095 | |
| Continuation of a test report detailing a drop in BHP and a burned-out valve and seat. | 13th Aug 1929 | Box 151 \ 3 scan0096 | |
| Letter from Imperial Chemical Industries regarding a delivery of Ethylene Glycol and its properties. | 13th Aug 1929 | Box 151 \ 3 scan0097 | |
| Data sheet on the properties and uses of Ethylene Glycol. | 14th Aug 1929 | Box 151 \ 3 scan0098 | |
| Letter received from Imperial Chemical Industries Limited. | 14th Aug 1929 | Box 151 \ 3 scan0099 | |
| Letter from Imperial Chemical Industries regarding the supply of Ethylene Glycol. | 14th Aug 1929 | Box 151 \ 3 scan0100 | |
| Letter from Imperial Chemical Industries Ltd. detailing tests on the effect of boiling Ethylene Glycol on rubber and 'Klingerite' packing material. | 20th Aug 1929 | Box 151 \ 3 scan0101 | |
| Sheet 2 of a letter from Imperial Chemical Industries Ltd. enclosing an extract on Ethylene Glycol. | 1st Jul 1929 | Box 151 \ 3 scan0102 | |
| Extract from a 1929 Popular Mechanics magazine about a chemical coolant for airplane motors. | 1st Jul 1929 | Box 151 \ 3 scan0103 | |
| Laboratory report comparing the cooling efficiency of water versus ethylene glycol. | 22th Aug 1929 | Box 151 \ 3 scan0104 | |
| Letter from L.R.B. Pearce, Ltd. offering to supply 'RAD' anti-freeze and enclosing a booklet. | 15th Oct 1929 | Box 151 \ 3 scan0105 | |
| Copy of a letter from L. R. B. PEARCE Ltd. regarding their speciality product 'RAD'. | 15th Nov 1929 | Box 151 \ 3 scan0106 | |
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