Rolls-Royce Archives
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Rolls-Royce Experimental Archives                
Choose Archive


Browsing Records        Page 1976 of 2367        Sort by   Box   Date   Description

Filter      from        to             identifier   [all]
DescriptionDateIdentifier
Requesting an official requisition for 120 Type 765.A. Sparking Plugs sent as replacements.24th Nov 1936Box 162 \ 4  img199
Letter from K.L.G Sparking Plugs Limited following up on a previous correspondence and requesting an order form.26th Nov 1936Box 162 \ 4  img200
Return of platinum-tipped spark plugs due to misfiring on a 3.5-litre Bentley.27th Nov 1936Box 162 \ 4  img201
Letter to Messrs K.L.G. Sparking Plugs Ltd. regarding a requisition.27th Nov 1936Box 162 \ 4  img202
Letter from K.L.G Sparking Plugs Limited concerning a memorandum on integrally screened sparking plugs.27th Nov 1936Box 162 \ 4  img203
Important notice regarding K.L.G. integrally screened plugs, elbows, and connection parts for ignition harnesses.27th Nov 1936Box 162 \ 4  img204
Specification document for various elbow types and high tension cable connection parts.27th Nov 1936Box 162 \ 4  img205
Letter from the Ethyl Export Corporation regarding spark plug complaints on 3½ and 4¼ litre Bentley jobs, suspecting fuel types and cold induction.27th Nov 1936Box 162 \ 4  img206
Letter discussing spark plug issues related to deposit formation from cold induction and potential remedies.27th Nov 1936Box 162 \ 4  img207
Letter discussing the insulating properties of mica versus ceramic materials for wet spark plugs.30th Nov 1936Box 162 \ 4  img208
Engine misfire complaints, detailing tests with different spark plugs and petrols on Bentley cars.1st Dec 1936Box 162 \ 4  img209
Spark plug trouble, comparing K.L.G. and Bosch plugs, and investigating the effect of 'ESSO' petrol.1st Dec 1936Box 162 \ 4  img210
The performance of AC sparking plugs in a Trials Bentley, which were replaced due to misfiring.1st Dec 1936Box 162 \ 4  img211
Transfer of four KLG - 850 Sparking Plugs.1st Dec 1936Box 162 \ 4  img212
Letter from K.L.G Sparking Plugs Limited regarding plug orders and a complaint.1st Dec 1936Box 162 \ 4  img213
Sending six special sparking plugs for testing on a trials car.8th Dec 1936Box 162 \ 4  img214
Dispatch and trial of special ceramic insulated sparking plugs on a 25/30 trials car.8th Dec 1936Box 162 \ 4  img215
Letter from K.L.G. Sparking Plugs Limited regarding drawings for terminal extensions and plugs.9th Dec 1936Box 162 \ 4  img216
Letter to K.L.G. Ltd. confirming a telephone conversation and requesting the urgent supply of 12 sets of parts from specific drawings.9th Dec 1936Box 162 \ 4  img217
Letter from K.L.G. Sparking Plugs Limited regarding an order for spark plugs with platinum earth points.9th Dec 1936Box 162 \ 4  img218
Letter from K.L.G. Sparking Plugs Limited regarding the readiness and invoicing of type 765-A plugs.9th Dec 1936Box 162 \ 4  img219
Letter to K.L.G. Sparking Plugs Ltd. regarding an invoicing correction for spark plugs.10th Dec 1936Box 162 \ 4  img220
Letter from K.L.G Sparking Plugs Limited enclosing three copies of drawings for R.945 and R.868 plugs.11th Dec 1936Box 162 \ 4  img221
Drawings for K.L.G. R.868 and R.945 sparking plugs for the Merlin G engine.14th Dec 1936Box 162 \ 4  img222
Letter to K.L.G. Sparking Plugs Ltd requesting a delivery date for new 'Corrundite' plugs for a Bentley chassis.16th Dec 1936Box 162 \ 4  img223
Letter from K.L.G Sparking Plugs Limited concerning the dispatch and development of spark plugs and extensions.18th Dec 1936Box 162 \ 4  img224
Letter from K.L.G. Sparking Plugs reporting on the failure of two type 850 plugs, one due to oil saturation and the other an electrical breakdown.21th Dec 1936Box 162 \ 4  img225
Dispatch note from K.L.G. Sparking Plugs Limited for replacement spark plugs.21th Dec 1936Box 162 \ 4  img226
Letter from K.L.G Sparking Plugs Limited regarding the dispatch of K.L.G. plugs type 765-A.21th Dec 1936Box 162 \ 4  img227
Letter from K.L.G. Sparking Plugs Limited regarding the supply of six Bosch 175 plugs for a test.22th Dec 1936Box 162 \ 4  img228
The performance of Champion and K.L.G. sparking plugs after testing.23th Dec 1936Box 162 \ 4  img229
Letter to K.L.G. Sparking Plugs chasing an undelivered order for terminals and inquiring about different plug types.30th Dec 1936Box 162 \ 4  img230
Letter from K.L.G. Sparking Plugs Limited discussing the design and characteristics of sparking plug types 935 and 943.4th Jan 1937Box 162 \ 4  img231
Letter from K.L.G Sparking Plugs regarding the supply and pricing of terminals to a third party.25th Jan 1937Box 162 \ 4  img232
Letter to K.L.G. Sparking Plug Co. Ltd. regarding the retention of plugs for experimental purposes.8th Jan 1937Box 162 \ 4  img233
Dispatch of two types of sparking plugs for examination.15th Jan 1937Box 162 \ 4  img234
Letter detailing the performance test results of Bosch sparking plugs on a Bentley engine.15th Jan 1937Box 162 \ 4  img235
Requesting the return of 12 special sparking plugs to K.L.G. Co. for examination.15th Jan 1937Box 162 \ 4  img236
Letter from K.L.G. Sparking Plugs regarding tests and performance of their plugs in Bentley engines.16th Jan 1937Box 162 \ 4  img237
Letter to K.L.G. Sparking Plugs Ltd. requesting clarification on the type numbers of 'Cerundite' plugs.21th Jan 1937Box 162 \ 4  img238
Letter from KLG Sparking Plugs seeking clarification on the supply and invoicing of M.X.5/2 terminals.22th Jan 1937Box 162 \ 4  img239
Letter from K.L.G. Sparking Plugs explaining the identification markings and heat ratings for sample plugs supplied for the Phantom engine.22th Jan 1937Box 162 \ 4  img240
Letter from K.L.G. Sparking Plugs Limited detailing the specifications of a spark plug for a Bentley.22th Jan 1937Box 162 \ 4  img241
Letter to K.L.G. Sparking Plugs Ltd. regarding the supply and billing of MX.5/2 terminals.23th Jan 1937Box 162 \ 4  img242
Letter from K.L.G. Sparking Plugs regarding the dispatch of twelve 'Corundite' plugs for testing in Bentley cars.23th Jan 1937Box 162 \ 4  img243
Despatch note from K.L.G. Sparking Plugs Ltd for 'Corundite' Sparking Plugs sent for testing.23th Jan 1937Box 162 \ 4  img244
Letter from K.L.G Sparking Plugs regarding the supply of plugs for Bentley and Phantom models.30th Jan 1937Box 162 \ 4  img245
Letter from K.L.G Sparking Plugs Limited regarding a delay in the despatch of type PLB.50x(N) plugs.1st Feb 1937Box 162 \ 4  img246
Letter to a supplier regarding the failure of two sparking plugs after only four hours of use and requesting replacements.2nd Feb 1937Box 162 \ 4  img247
Request to dispatch two failed Type 393B Sparking Plugs to K.L.G. Sparking Plugs Ltd. for examination.2nd Feb 1937Box 162 \ 4  img248
Letter from KLG Sparking Plugs Ltd acknowledging a request for two custom sparking plugs.4th Feb 1937Box 162 \ 4  img249
Letter from K.L.G. Sparking Plugs regarding the condition of two returned 893B plugs used in a 'MERLIN' engine.5th Feb 1937Box 162 \ 4  img250
Request to carry out tests on K.L.G. Sparking Plugs fitted to 36 or 37 Ex chassis for early ignition and slow running performance.5th Feb 1937Box 162 \ 4  img251
Letter to K.L.G. Sparking Plugs Ltd. regarding spark plug dimensions for Bentley and 25/30 HP engines.9th Feb 1937Box 162 \ 4  img252
Internal request to order experimental stock of K.L.G. sparking plugs.10th Feb 1937Box 162 \ 4  img253
Issues with seizing K.L.G. sparking plugs and the manufacturer's response.10th Feb 1937Box 162 \ 4  img254
Letter from K.L.G. Sparking Plugs confirming the correct spark plug body length for Bentley and Rolls-Royce engines.11th Feb 1937Box 162 \ 4  img255
Dispatch of K.L.G. E.25 spark plugs with 'Curundite' insulators for testing on Phantom III trials cars.20th Feb 1937Box 162 \ 4  img256
Request to despatch 24 K.L.G. type E.25 plugs for testing in a Phantom III trials car.20th Feb 1937Box 162 \ 4  img257
The performance and replacement of Bosch, K.L.G., and Champion spark plugs.22th Feb 1937Box 162 \ 4  img258
Arranging the despatch of K.L.G. type E.25 sparking plugs for Phantom III Trials Cars.2nd Feb 1937Box 162 \ 4  img259
Testing of K.L.G. E.25 sparking plugs on a Phantom lll trials car and querying the use of Ethyl petrol.24th Feb 1937Box 162 \ 4  img260
Requesting the testing of two special K.L.G. sparking plugs, model RC25.25th Feb 1937Box 162 \ 4  img261
The preference for using Ethyl Petrol during plug testing for Phantom III Trials Cars.25th Feb 1937Box 162 \ 4  img262
Letter from K.L.G Sparking Plugs Limited regarding the urgent manufacture and delivery of type R-893 plugs.27th Feb 1937Box 162 \ 4  img263
Requesting a covering order for 500 K.L.G. sparking plugs for Bentley and 25/30 chassis.1st Mar 1937Box 162 \ 4  img264
Order to be placed for 12 type RC.25 plugs.2nd Mar 1937Box 162 \ 4  img265
The pricing and superiority of new K.L.G. ceramic sparking plugs.3rd Mar 1937Box 162 \ 4  img266
Letter placing an order for 48 RV9/1 plugs with K.L.G. Sparking Plugs Ltd.3rd Mar 1937Box 162 \ 4  img267
Requesting an increase in the order quantity for K.L.G. E.26 type plugs from 100 to 500.6th Mar 1937Box 162 \ 4  img268
Letter to K.L.G. Sparking Plugs Ltd. regarding a report on the performance of new type plugs with Corundite insulators.6th Mar 1937Box 162 \ 4  img269
Letter from K.L.G Sparking Plugs regarding the performance and design of their Corundite plugs.8th Mar 1937Box 162 \ 4  img270
The removal and inspection of 25 HP sparking plugs after 1,557 miles.20th Mar 1937Box 162 \ 4  img271
Testing three types of K.L.G. sparking plugs for a 30.HP engine.20th Mar 1937Box 162 \ 4  img272
Instructions for a component's brightening process involving material removal and addition.30th Mar 1937Box 162 \ 4  img273
Letter from K.L.G Sparking Plugs regarding the supply of fifteen R-868 electrodes for treatment with Brightray.30th Mar 1937Box 162 \ 4  img274
The performance of KLG.F.30x sparking plugs fitted to a Phantom III model and their subsequent replacement.16th Mar 1937Box 162 \ 4  img275
Letter to K.L.G. Sparking Plugs Ltd. regarding the failure of E.26 and E.25 type plugs.19th Mar 1937Box 162 \ 4  img276
The return of E.27 and E.25 type plugs to K.L.G. Ltd. for examination.19th Mar 1937Box 162 \ 4  img277
Letter to K.L.G. Sparking Plugs Ltd. regarding spark plug recommendations for George Eyston's R engined motor.19th Mar 1937Box 162 \ 4  img278
The standardization of new K.L.G. sparking plugs for various chassis.22th Mar 1937Box 162 \ 4  img279
Supply of specific K.L.G. sparking plugs for Phantom III trials cars.22th Mar 1937Box 162 \ 4  img280
Despatch of sparking plugs for examination and report.22th Mar 1937Box 162 \ 4  img281
The performance and inspection of new K.L.G. sparking plugs fitted to a transport car chassis.23th Mar 1937Box 162 \ 4  img282
Letter from K.L.G. Sparking Plugs discussing the choice of 675-A plugs for George Eyston's record attempt.25th Mar 1937Box 162 \ 4  img283
Letter from K.L.G Sparking Plugs regarding an examination and analysis of returned E.26 and E.25 type spark plugs.25th Mar 1937Box 162 \ 4  img284
Letter from K.L.G. Sparking Plugs regarding a damaged spark plug terminal.25th Mar 1937Box 162 \ 4  img285
Letter to K.L.G. Sparking Plugs Ltd. regarding plug point erosion.31th Mar 1937Box 162 \ 4  img286
The return of six E.27 sparking plugs for a Bentley chassis.3rd Apr 1937Box 162 \ 4  img287
Letter to K.L.G. Sparking Plugs Ltd. regarding the failure of sparking plugs with cracked insulators.6th Apr 1937Box 162 \ 4  img288
Request to arrange for 15 sparking plug electrodes to be sent to K.L.G. Sparking Plugs Ltd.7th Apr 1937Box 162 \ 4  img289
Letter to K.L.G. Sparking Plugs Ltd. confirming the standardisation of their new Corrundite insulated plugs.9th Apr 1937Box 162 \ 4  img290
The condition of special K.L.G. E.27 sparking plugs after 12,000 miles.15th Apr 1937Box 162 \ 4  img291
Letter to K.L.G. Sparking Plugs Ltd. requesting a new design for spark plug adaptors for the Phantom III chassis.16th Apr 1937Box 162 \ 4  img292
Letter to K.L.G. Sparking Plugs Ltd. chasing replies to previous correspondence and a sample plug.16th Apr 1937Box 162 \ 4  img293
Letter from K.L.G. Sparking Plugs regarding the use of W.5 nickel alloy instead of Mangonic for earth points to reduce erosion.19th Apr 1937Box 162 \ 4  img294
Standardisation of K.L.G. 'CORUNDITE' plugs type FLB.30X to avoid misfiring with Ethyl fuel.9th Mar 1937Box 162 \ 4  img295
Instruction to modify a fuel pipe and greasing system for the Continental model and implement it into production.26th Apr 1938Box 162 \ 4  img296
Standardisation of K.L.G. 'Corundite' plugs, type FLB.30X, for the 25/30 HP engine.9th Apr 1937Box 162 \ 4  img297
Notification for the standardization of parts to be brought into production immediately.13th Apr 1937Box 162 \ 4  img298


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙