GB224475A - Improvements in and relating to pens for recording instruments - Google Patents

Improvements in and relating to pens for recording instruments

Info

Publication number
GB224475A
GB224475A GB1513324A GB1513324A GB224475A GB 224475 A GB224475 A GB 224475A GB 1513324 A GB1513324 A GB 1513324A GB 1513324 A GB1513324 A GB 1513324A GB 224475 A GB224475 A GB 224475A
Authority
GB
United Kingdom
Prior art keywords
pens
marking
relating
recording instruments
instruments
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1513324A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ALEXANDER STOKER
SAMUEL JAMES GERRETT
SEATON DELAVAL COAL Co Ltd
Seaton Delaval Coal Co Ltd
Original Assignee
ALEXANDER STOKER
SAMUEL JAMES GERRETT
SEATON DELAVAL COAL Co Ltd
Seaton Delaval Coal Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ALEXANDER STOKER, SAMUEL JAMES GERRETT, SEATON DELAVAL COAL Co Ltd, Seaton Delaval Coal Co Ltd filed Critical ALEXANDER STOKER
Priority to GB1513324A priority Critical patent/GB224475A/en
Publication of GB224475A publication Critical patent/GB224475A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
    • G01D15/24—Drives for recording elements and surfaces not covered by G01D5/00

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

224,475. Seaton Delaval Coal Co., Ltd., Tweddell, J. S., Stoker, A., Shaw, J. D., Howarth, J., Gerrett, S. J., and Hall, T. Aug. 17, 1923. Pens for recordina - instruments.-A pen A for recording instruments comprises a part nut A<1> engaging with a threaded shaft B parallel with a chart drum C, a marking-member D, and a weight A<2> to maintain the marking-member in contact with the chart. The marking-member may comprises a capillary tube D communicating with a well E.
GB1513324A 1923-08-17 1923-08-17 Improvements in and relating to pens for recording instruments Expired GB224475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1513324A GB224475A (en) 1923-08-17 1923-08-17 Improvements in and relating to pens for recording instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1513324A GB224475A (en) 1923-08-17 1923-08-17 Improvements in and relating to pens for recording instruments

Publications (1)

Publication Number Publication Date
GB224475A true GB224475A (en) 1924-11-13

Family

ID=10053621

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1513324A Expired GB224475A (en) 1923-08-17 1923-08-17 Improvements in and relating to pens for recording instruments

Country Status (1)

Country Link
GB (1) GB224475A (en)

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