GB191128764A - Improvements in Lens Measuring Instruments. - Google Patents

Improvements in Lens Measuring Instruments.

Info

Publication number
GB191128764A
GB191128764A GB191128764DA GB191128764A GB 191128764 A GB191128764 A GB 191128764A GB 191128764D A GB191128764D A GB 191128764DA GB 191128764 A GB191128764 A GB 191128764A
Authority
GB
United Kingdom
Prior art keywords
measuring instruments
lens measuring
dials
lens
gowlland
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
Inventor
William Gowlland
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191128764A publication Critical patent/GB191128764A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

28,764. Gowlland, W. Dec. 21. Dials and scales.-The indicating-marks on spherometer dials are formed by cuts made therein as shown in Fig. 5.
GB191128764D 1911-12-21 1911-12-21 Improvements in Lens Measuring Instruments. Expired GB191128764A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191128764T 1911-12-21

Publications (1)

Publication Number Publication Date
GB191128764A true GB191128764A (en) 1912-12-12

Family

ID=32366731

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191128764D Expired GB191128764A (en) 1911-12-21 1911-12-21 Improvements in Lens Measuring Instruments.

Country Status (1)

Country Link
GB (1) GB191128764A (en)

Similar Documents

Publication Publication Date Title
GB191128764A (en) Improvements in Lens Measuring Instruments.
GB191115633A (en) An Improved Rule or Scale.
ES51376A1 (en) Improvements in keyboard instruments.
GB191201533A (en) Improvements in and connected with Slide Rules.
FR470051A (en) Improvements in geographic indicator instruments
GB191023568A (en) Improvements in Key-board Musical Instruments.
GB191116561A (en) Improvements in or relating to Musical Instruments.
GB191507608A (en) An Improved Keyboard for Pianos, Organs and like Instruments.
GB191305119A (en) Additional Sound-board for Pianofortes and similar Instruments.
CA123551A (en) Computing scale dial
ES60026A1 (en) Improvements in electrical measuring instruments.
GB111732A (en) An Improved Device for Demonstrating to Classes or Individuals the Relation between True and Magnetic Bearings.
GB191326648A (en) Spectacles for Observing Sources of Radiation.
AU1626409A (en) Improvements in surveying instruments
AU1626309A (en) Improvements in surveying instruments
ES58293A1 (en) An instrument called "Geodiesicyclic and Oceanicyclic".
GB191121826A (en) Improvements in and relating to Sounding-boards for Musical Instruments, applicable also for other purposes.
AT52264B (en) Openable optical pocket instrument.
CA153324A (en) Tree measuring instrument
GB190705255A (en) Improvements in Glass Measuring Scales.
AU1453514B (en) An improved tuning or wrest pin for pianofortes, and like instruments
ES50035A1 (en) An amp-hour counter.
GB191408640A (en) Improvements in or relating to Keyboard for Musical Instruments.
ES49407A1 (en) Improvements in acoustic instruments.
ES49627A1 (en) On scales and balances called Hidropendo.