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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).
Delivery schedule for Induction Pipe patterns, listing part numbers, types, bores, and promised dates.

Identifier  ExFiles\Box 123\1\  scan0044
Date  2nd February 1940
  
COPY.

To Rm.{William Robotham - Chief Engineer}

HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth}6/BA.2.2.40.

INDUCTION PIPES.

We give herewith promised delivery dates for Induction Pipes patterns as requested.

Part No: | Type. | bore. | Pattern Instrtd. | Pattern Promised. | Remarks.
--- | --- | --- | --- | --- | ---
Ex.36147 | Ben.V. | 1.250. | 18.1.40. | 18.2.40. | } Existing
Ex.36146 | " " | 1.375. | 18.1.40. | 18.2.40. | } pattern lead lined.
RE.147. | B.60. | 1.350. | 9.1.40. | 23.2.40. | } RE.147
Ex.36166. | B.60. | 1.125. | 18.1.40. | 29.2.40. | } pattern
Ex.36167. | B.60. | 1.062. | 18.1.40. | 6.3.40. | } lead lined.
RE.176. | B.80. | 1.350. | 30.1.40. | 26.3.40. | } RE.176
Ex.36226. | B.80. | 1.125. | 1.2.40. | 5.4.40. | } pattern lead lined.

[Handwritten note]: Square section pipes Equivalent round pipes of the following dimensions
[Handwritten fractions next to bore column]:
{ 1 1/2"
{ 1 3/16"
{ 1 1/4"
---
{ 1 1/2"
{ 1 3/8"
  
  


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