CA775668A - Luminescent illumination of levelling bubbles - Google Patents

Luminescent illumination of levelling bubbles

Info

Publication number
CA775668A
CA775668A CA775668A CA775668DA CA775668A CA 775668 A CA775668 A CA 775668A CA 775668 A CA775668 A CA 775668A CA 775668D A CA775668D A CA 775668DA CA 775668 A CA775668 A CA 775668A
Authority
CA
Canada
Prior art keywords
levelling
bubbles
luminescent illumination
luminescent
illumination
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
CA775668A
Inventor
D. Ault John
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.)
Saunders Roe and Nuclear Enterprises Ltd
Original Assignee
Saunders Roe and Nuclear Enterprises Ltd
Publication date
Application granted granted Critical
Publication of CA775668A publication Critical patent/CA775668A/en
Expired legal-status Critical Current

Links

CA775668A Luminescent illumination of levelling bubbles Expired CA775668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA775668T

Publications (1)

Publication Number Publication Date
CA775668A true CA775668A (en) 1968-01-09

Family

ID=36222961

Family Applications (1)

Application Number Title Priority Date Filing Date
CA775668A Expired CA775668A (en) Luminescent illumination of levelling bubbles

Country Status (1)

Country Link
CA (1) CA775668A (en)

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