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                
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DescriptionDateIdentifier
Voltage of side lamp bulbs and related charging arrangements.30th Apr 1932Box 166 \ 4  img137
Letter from The General Electric Co. Ltd. regarding an inability to supply a specific 12/14 Volt 4 Watt Lamp.4th May 1932Box 166 \ 4  img138
Inquiry to The General Electric Co. Ltd. regarding the supply of higher voltage Osram automobile lamp bulbs.18th May 1932Box 166 \ 4  img139
Internal request to order Osram bulbs.21th Jun 1932Box 166 \ 4  img140
List of recommended lamp bulbs for standard use.7th Jul 1932Box 166 \ 4  img141
Internal order request for one dozen Osram lamp bulbs for the Experimental Department.1st Sep 1932Box 166 \ 4  img142
Order for Osram lamp bulbs for the Experimental Department.3rd Nov 1932Box 166 \ 4  img143
Follow-up inquiry regarding ongoing issues with side lamp bulbs, referencing previous correspondence and requesting test results.18th Nov 1932Box 166 \ 4  img144
Issue of side lamp bulbs burning out and the proposed solution of a new three-charge scheme.6th Nov 1932Box 166 \ 4  img145
The Experimental Department requesting an order for various lamp bulbs.28th Nov 1932Box 166 \ 4  img146
Order for one dozen small pea lamp bulbs.2nd Jan 1933Box 166 \ 4  img147
Internal order request for six Osram Festoon Lamps.4th Jan 1933Box 166 \ 4  img148
Request to order Osram lamp bulbs.10th Jan 1933Box 166 \ 4  img149
Internal order for Osram and Ediswan lamp bulbs for experimental stock.8th Jan 1933Box 166 \ 4  img150
Enquiry to the Ediswan Co. regarding the supply of orange coloured lamps for an instrument board.31th Jan 1933Box 166 \ 4  img151
Internal order request for various types of Ediswan lamp bulbs.8th Feb 1933Box 166 \ 4  img152
Order for 2 dozen Ediswan lamp bulbs.4th Apr 1933Box 166 \ 4  img153
Internal request to order one dozen 12 volt, 9 watt double contact lamp bulbs from the Ediswan Co.9th May 1933Box 166 \ 4  img154
Internal order request for headlamp bulbs from the Ediswan Co.14th Jul 1933Box 166 \ 4  img155
Order for one dozen headlamp bulbs from the Ediswan Co.28th Sep 1933Box 166 \ 4  img156
Order for two types of lamp bulbs from Ediswan Ltd.14th Oct 1933Box 166 \ 4  img157
Internal request to order different types of lamp bulbs from the supplier Ediswan.9th Nov 1933Box 166 \ 4  img158
Recommendations for Bentley chassis lamp bulbs from the Ediswan catalogue.17th Nov 1933Box 166 \ 4  img159
Specification list of Ediswan lamp bulbs for the Bentley 3.5 Litre chassis.17th Nov 1933Box 166 \ 4  img160
Request to order one dozen Ediswan headlamp bulbs for an experimental car.23th Nov 1933Box 166 \ 4  img161
Internal request to order half a dozen 12 volt, 60 watt S.C.C. lamp bulbs.29th Nov 1933Box 166 \ 4  img162
Internal request to order four 12 volt 24 watt S.C.C. headlamp bulbs from the Ediswan Co.21th Dec 1933Box 166 \ 4  img163
Quotation from Edison Swan Electric Co. for the supply of 12-volt headlamp bulbs.18th Jan 1934Box 166 \ 4  img164
Inquiry to The Edison Swan Electric Co. Ltd. regarding a new 48-watt V filament lamp bulb for Bentley chassis headlamps.19th Jan 1934Box 166 \ 4  img165
Letter from The Edison Swan Electric Company Ltd acknowledging receipt of correspondence and advising the matter is being taken up with their London Office.20th Jan 1934Box 166 \ 4  img166
Request to obtain two sample Osram Cadmium Yellow headlight bulbs for testing.17th Mar 1934Box 166 \ 4  img167
Letter from General Electric Co., Ltd. regarding an order for sample OSRAM Cadmium Yellow Bulbs and the unavailability of 'V' Filaments.21th Mar 1934Box 166 \ 4  img168
Letter from Maudslay Motor Co. regarding an order for Aluminium Alloy Pistons, suggesting sand casting instead of die casting.22th Mar 1934Box 166 \ 4  img169
Internal request to order various lamp bulbs from the Ediswan Co.14th May 1934Box 166 \ 4  img170
Internal request to order various chassis lamp bulbs from the Ediswan Co.12th Jul 1934Box 166 \ 4  img171
Order for spare Mazda American lamp bulbs for a Cadillac car.28th Aug 1934Box 166 \ 4  img172
Internal order request for one dozen 2.5 volt MES bulbs for Aero Low Level Warning Devices.11th Sep 1934Box 166 \ 4  img173
Letter to The General Electrical Co. Ltd. requesting a meeting to discuss automobile lamp bulbs.24th Sep 1934Box 166 \ 4  img174
To order Osram 'Graves' type headlamp bulbs from General Electric Co. Ltd.2nd Oct 1934Box 166 \ 4  img175
Order for M.E.S. bulb holders from Ediswan Ltd.5th Oct 1934Box 166 \ 4  img176
Return of unsuitable Cadillac headlamp bulbs and ordering replacements.30th Oct 1934Box 166 \ 4  img177
Order for one dozen inspection lamp bulbs.1st Nov 1934Box 166 \ 4  img178
Letter to General Electric Co. Ltd. chasing a delayed delivery of special Osram lamp bulbs for headlamps.7th Nov 1934Box 166 \ 4  img179
Order for various types of lamp bulbs.8th Nov 1934Box 166 \ 4  img180
Internal request to order various lamp bulbs and adaptors from the supplier Messrs. Ediswan.19th Nov 1934Box 166 \ 4  img181
Internal request to order half a dozen double filament Marchal headlamp bulbs.21th Nov 1934Box 166 \ 4  img182
Order for various volt lamp bulbs from Messrs. Ediswan.11th Dec 1934Box 166 \ 4  img183
Internal request to order various types of lamp bulbs from Messrs. Ediswan.12th Dec 1934Box 166 \ 4  img184
Internal order memorandum for various types of lamp bulbs.29th Jan 1935Box 166 \ 4  img185
Order for lamp bulbs.22th Feb 1935Box 166 \ 4  img186
Order for various lamp bulbs.14th Jun 1935Box 166 \ 4  img187
Request to order a further sample of a new design stop and tail lamp from Messrs. Butler.11th Sep 1935Box 166 \ 4  img188
Internal order for various types of lamp bulbs.16th Sep 1935Box 166 \ 4  img189
Order for Osram-Graves lamp bulbs from G.E.C. Co.21th Oct 1935Box 166 \ 4  img190
Internal order request for two 'Desmo Safebeam' lamp bulbs.7th Nov 1935Box 166 \ 4  img191
Request to make a wooden tray to fit into a metal cupboard for storing car lamp bulbs.4th Dec 1935Box 166 \ 4  img192
Internal request to order side lamp bulbs from Ediswans.18th Dec 1935Box 166 \ 4  img193
Internal order request for various lamp bulbs from Messrs. Ediswan.6th Jan 1936Box 166 \ 4  img194
Request for the production of four sets of an Aero Battery Ignition Changeover Switch.8th Jan 1936Box 166 \ 4  img195
Internal request to order various types of lamp bulbs from Messrs. Ediswan Ltd.24th Jan 1936Box 166 \ 4  img196
Order for various chassis lamp bulbs.6th Apr 1936Box 166 \ 4  img197
Request to arrange an exchange of 1 dozen Ediswan straight filament bulbs for 'v' filament bulbs.18th Apr 1936Box 166 \ 4  img198
Internal request to order a stock of various headlamp, side lamp, and inspection bulbs for chassis.23th May 1936Box 166 \ 4  img199
Internal order request for various types of lamps from Ediswan Ltd.29th Jul 1936Box 166 \ 4  img200
Internal order request for one dozen 12-volt Notek Foglamp bulbs.24th Sep 1936Box 166 \ 4  img201
Internal request to order various lamp bulbs from Messrs Ediswan Ltd. for experimental stock.17th Sep 1936Box 166 \ 4  img202
Order of various types of light bulbs for stock.18th Dec 1936Box 166 \ 4  img203
Internal request to order a supply of head lamp and cap bulbs.18th Feb 1937Box 166 \ 4  img204
Unsatisfactory instrument lamp bulb holder and a request for a design modification.9th Apr 1937Box 166 \ 4  img205
Order for various types of bulbs for stock.22th Apr 1937Box 166 \ 4  img206
Urgent internal order request for 6 dozen Osram 3.5 volt 3 amp MES bulbs.14th Jun 1937Box 166 \ 4  img207
Requesting an order for various types of bulbs for stock.13th Aug 1937Box 166 \ 4  img208
Order for different types of electric bulbs for stock.18th Aug 1937Box 166 \ 4  img209
The order of various bulbs for stock.16th Oct 1937Box 166 \ 4  img210
Internal stock order request for various types of bulbs.4th Dec 1937Box 166 \ 4  img211
Request to obtain various lamp bulbs for stock from the Ediswan Lamp Co. Ltd.5th Feb 1938Box 166 \ 4  img212
The purchase of various lamp bulbs for stock from Ediswan Lamps Ltd.9th Mar 1938Box 166 \ 4  img213
Order for various Ediswan lamp bulbs for stock.17th Jun 1938Box 166 \ 4  img214
Order for sidelamp bulbs for stock.20th Aug 1938Box 166 \ 4  img215
Letter from The British Thomson-Houston Company Ltd regarding the testing of sample twin filament headlamp bulbs.4th Oct 1938Box 166 \ 4  img216
Order for sidelamp bulbs for stock.5th Oct 1938Box 166 \ 4  img217
The change to yellow bulbs for a Bentley III, due to a new law in France.25th Oct 1938Box 166 \ 4  img218
To order M.S.S. and S.C.C. sidelamp bulbs for stock.26th Oct 1938Box 166 \ 4  img219
Letter to British Thompson Houston Co. Ltd. about headlamp bulbs, including a request for a double filament lamp and a yellow glass bulb for the French market.8th Nov 1938Box 166 \ 4  img220
Letter from a supplier regarding the manufacture and testing of automobile bulbs.11th Nov 1938Box 166 \ 4  img221
Letter from the Experimental Department regarding a 'Yvel Granite' type lamp bulb.12th Nov 1938Box 166 \ 4  img222
Arranging for a 'Yvel Granite' type lamp bulb to be sent to the B.T.H. Works for experimental purposes.14th Nov 1938Box 166 \ 4  img223
The forwarding of a 'Yvel Granite' lamp bulb for experimental purposes.14th Nov 1938Box 166 \ 4  img224
Letter from a supplier regarding the production of a sample 'Cadmium Yellow' glass bulb to match a loaned 'Yvel Granita' bulb.16th Nov 1938Box 166 \ 4  img225
Letter from The British Thomson-Houston Company regarding the dispatch of sample lamps for review.18th Nov 1938Box 166 \ 4  img226
Letter to B.T.H. Co. Ltd. concerning the testing and specifications of experimental lamps.21th Nov 1938Box 166 \ 4  img227
Request to order stop lamp and trafficator bulbs for stock.21th Nov 1938Box 166 \ 4  img228
Letter from The British Thomson-Houston Company Ltd regarding cadmium yellow bulbs and French regulations.24th Nov 1938Box 166 \ 4  img229
Order for one dozen 'V' filament Cadmium Yellow pass lamp bulbs.6th Dec 1938Box 166 \ 4  img230
Letter from electric lamp manufacturer E. & W. Terence regarding their 'Rode' anti-dazzle bulbs.14th Dec 1938Box 166 \ 4  img231
Cover page for a document on a conversion by RODE.14th Dec 1938Box 166 \ 4  img232
Product information sheet for the 'Rode' anti-dazzle flat topped beam bulb.14th Dec 1938Box 166 \ 4  img233
Principle and fitting instructions for an anti-dazzle headlamp bulb.14th Dec 1938Box 166 \ 4  img234
Promotional leaflet for a headlamp conversion called 'RODE'.22th Dec 1938Box 166 \ 4  img235
Internal memorandum requesting the ordering of side lamp and inspection lamp bulbs for stock.22th Dec 1938Box 166 \ 4  img236
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