Improvements in or relating to machines for forming pig tails and inserting them into glass rods of incandescent lamps or similar devices.

Title: 
Improvements in or relating to machines for forming pig tails and inserting them into glass rods of incandescent lamps or similar devices.
Author/Artist: 
N. V. Philips' Gloeilampen-Fabrieken.
Publisher: 
[London : HMSO], 1925.
Description: 
10 p., [4] folded leaves : ill. 27 cm.
Other Authors: 
Great Britain. Patent Office.
Format of Material: 
Patents
Bib ID: 
91411
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Location: 
Secured Stacks - Patents
Call Number: 
No call number available
Holdings Note: 
Currently located in Tracy's office
Notes: 
Patent specification.
Patent no. 230,431 accepted July 30, 1925.
Application date (in the United Kingdom): Feb. 13, 1925, no. 4121/25.
Convention date (Holland): March 6, 1924.
Stamped "Openbaar gemaakt den: - 20 Aug. 1925".
Stamped "Bibliotheek Bur. Ind. Eigendom 23 Sep. 1925".