GB1445271A - Spirit level electrical switching devices - Google Patents

Spirit level electrical switching devices

Info

Publication number
GB1445271A
GB1445271A GB109374A GB109374A GB1445271A GB 1445271 A GB1445271 A GB 1445271A GB 109374 A GB109374 A GB 109374A GB 109374 A GB109374 A GB 109374A GB 1445271 A GB1445271 A GB 1445271A
Authority
GB
United Kingdom
Prior art keywords
switching devices
electrical switching
spirit level
level electrical
spirit
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
GB109374A
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.)
BRYEN T
Original Assignee
BRYEN T
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 BRYEN T filed Critical BRYEN T
Priority to GB109374A priority Critical patent/GB1445271A/en
Publication of GB1445271A publication Critical patent/GB1445271A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
    • G01C9/26—Details
    • G01C9/28—Mountings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
GB109374A 1974-01-09 1974-01-09 Spirit level electrical switching devices Expired GB1445271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB109374A GB1445271A (en) 1974-01-09 1974-01-09 Spirit level electrical switching devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB109374A GB1445271A (en) 1974-01-09 1974-01-09 Spirit level electrical switching devices

Publications (1)

Publication Number Publication Date
GB1445271A true GB1445271A (en) 1976-08-11

Family

ID=9716038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB109374A Expired GB1445271A (en) 1974-01-09 1974-01-09 Spirit level electrical switching devices

Country Status (1)

Country Link
GB (1) GB1445271A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219402A (en) * 1988-05-25 1989-12-06 Worrallo A C Measuring apparatus
GB2220067A (en) * 1988-06-23 1989-12-28 John Keen Bubble level for ladders
GB2227838A (en) * 1989-02-03 1990-08-08 Peter Robert Spencer Distance marking spirit level
WO1999046561A1 (en) * 1998-03-12 1999-09-16 Wolfgang Ott Bubble level
US6785977B1 (en) 2001-09-25 2004-09-07 Michael P. Crichton Measuring and leveling device
EP2056065A1 (en) 2007-11-01 2009-05-06 Black & Decker, Inc. Spirit level with sliding measurement system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219402A (en) * 1988-05-25 1989-12-06 Worrallo A C Measuring apparatus
GB2219402B (en) * 1988-05-25 1992-08-26 Worrallo A C Measuring apparatus
GB2220067A (en) * 1988-06-23 1989-12-28 John Keen Bubble level for ladders
GB2227838A (en) * 1989-02-03 1990-08-08 Peter Robert Spencer Distance marking spirit level
WO1999046561A1 (en) * 1998-03-12 1999-09-16 Wolfgang Ott Bubble level
US6785977B1 (en) 2001-09-25 2004-09-07 Michael P. Crichton Measuring and leveling device
EP2056065A1 (en) 2007-11-01 2009-05-06 Black & Decker, Inc. Spirit level with sliding measurement system

Similar Documents

Publication Publication Date Title
ZA752893B (en) Electrical contact
AU1580476A (en) Electrical terminals
GB201000886D0 (en) Container for electrical circuit
ZA753468B (en) Electromagnetic switching device
ZA774B (en) Circuit breaker
HK24683A (en) Electrical switch
GB1439117A (en) Electrical switching circuits
ZA778B (en) Circuit breaker
HK18081A (en) Semiconductor switch
GB1516715A (en) Isobaric device having electrical contacts housed therein
ZA775B (en) Circuit breaker
ZA777B (en) Circuit breaker
IE41794L (en) Electrical contact element
ZA776B (en) Circuit breaker
HK17279A (en) Electric switch
GB1445271A (en) Spirit level electrical switching devices
DK143671C (en) ELECTRICAL SWITCH SWITCH
ZA755493B (en) Switching circuit
GB1545934A (en) Electrical devices
AU8759875A (en) Electrical switch
JPS5214305A (en) Telecommunication type electronic switching station
CS179126B1 (en) Voltage limitation circuit
AU7564274A (en) Electrical switches
AR204737A1 (en) ELECTRICAL CIRCUIT BREAKER
AU8578875A (en) Electrical switches

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee