GB1231234A - - Google Patents

Info

Publication number
GB1231234A
GB1231234A GB1231234DA GB1231234A GB 1231234 A GB1231234 A GB 1231234A GB 1231234D A GB1231234D A GB 1231234DA GB 1231234 A GB1231234 A GB 1231234A
Authority
GB
United Kingdom
Prior art keywords
layer
oct
viscosity
thickness
backing member
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
Other languages
English (en)
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 filed Critical
Publication of GB1231234A publication Critical patent/GB1231234A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
GB1231234D 1968-10-03 1968-10-03 Expired GB1231234A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4693668 1968-10-03

Publications (1)

Publication Number Publication Date
GB1231234A true GB1231234A (enrdf_load_stackoverflow) 1971-05-12

Family

ID=10443131

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1231234D Expired GB1231234A (enrdf_load_stackoverflow) 1968-10-03 1968-10-03

Country Status (1)

Country Link
GB (1) GB1231234A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001422A1 (en) * 1980-10-22 1982-04-29 Gustav B Rennerfelt A mirror blank and a method and means for the production thereof
WO1986004297A1 (fr) * 1985-01-25 1986-07-31 Centre National De La Recherche Scientifique - C.N Procedes pour fabriquer des substrats de miroirs en beton de resine et miroirs correspondants
US4761067A (en) * 1986-07-15 1988-08-02 Modica Vicenzo R Di Modular mirror on clay support
US5208704A (en) * 1991-11-25 1993-05-04 Zito Richard R Ultralight mirrors
US5428483A (en) * 1991-04-19 1995-06-27 Nippon Oil Co., Ltd. Reflecting mirror

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001422A1 (en) * 1980-10-22 1982-04-29 Gustav B Rennerfelt A mirror blank and a method and means for the production thereof
WO1986004297A1 (fr) * 1985-01-25 1986-07-31 Centre National De La Recherche Scientifique - C.N Procedes pour fabriquer des substrats de miroirs en beton de resine et miroirs correspondants
FR2576548A1 (fr) * 1985-01-25 1986-08-01 Centre Nat Rech Scient Procedes pour fabriquer des substrats de miroirs en beton de resine et miroirs correspondants
US4761067A (en) * 1986-07-15 1988-08-02 Modica Vicenzo R Di Modular mirror on clay support
US5428483A (en) * 1991-04-19 1995-06-27 Nippon Oil Co., Ltd. Reflecting mirror
US5208704A (en) * 1991-11-25 1993-05-04 Zito Richard R Ultralight mirrors

Similar Documents

Publication Publication Date Title
CA931651A (en) Optical display
ES323027A1 (es) Perfeccionamientos en lentes de mirillas ëpticas
GB1231234A (enrdf_load_stackoverflow)
GB1037488A (en) Improvements in or relating to microscope objectives
FR1202250A (fr) Polyoxyméthylènes à poids moléculaire élevé stabilisés vis-à-vis de la photod'gradation
GB1038446A (en) Spectacle nose plate mounting arrangement
GB1237793A (en) Improvements in or relating to lens holders
GB1094176A (en) Improvements in or relating to eyeglass and goggle frames
GB1406134A (en) Optical glass
GB1317173A (en) Spectacle frame
GB1389564A (en) Lenses
DE877673C (de) Glasmassstab
GB1496919A (en) Adaptable force transducer
Kirchner et al. A study of religious background and collegiate values.
GB967924A (en) Photographic objective of variable focal length
CA783348A (en) Wide angle eyepiece with large eye relief
CA549248A (en) Rangefinder, rangefinder-sight or sight of the overlapping-image type with image-distortion having no moving parts
AU3613768A (en) Electronically controlled driving mechanism, especially for clocks and watches (application no. 17086 was lodged on the 2nd july, 1970 as an additional of this application)
GB1017082A (en) A mirror provided with an image-magnifying portion thereon
CA842513A (en) Viewing attachment for eyeglass frames
ES183643U (es) Espejo perfeccionado
Van Walleghen A Good Excuse
CA833156A (en) Bushing with strain relief
ES59434U (es) Un medallón de visión doble
CA857373A (en) Glass fibre reinforced polyacetal resin composition

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees