1911 – December 18 – W. S. O’Brien (Pittsfield – Head Accountant – GE Co.) to Dr. Irving Langmuir

Dr. Irving Langmuir:
Referring to your letter of December 16th, in reference to bill 10911, for $6.00 covering 6 lbs. of colorite consumed for your personal account. This covers the cost of the colorite metal.

We previously rendered you bill M-10437 covering charge to us from the Coe Brass Company for making of the wire, $7.50, and bill F-5337 for freight – $.35. These charges $13.85 in all, cover the entire charge for 6 lbs. of colorite wire bought by you.

W. S. O’Brien
Head Accountant
Per – F. S. Way