DE181029C - - Google Patents

Info

Publication number
DE181029C
DE181029C DENDAT181029D DE181029DA DE181029C DE 181029 C DE181029 C DE 181029C DE NDAT181029 D DENDAT181029 D DE NDAT181029D DE 181029D A DE181029D A DE 181029DA DE 181029 C DE181029 C DE 181029C
Authority
DE
Germany
Prior art keywords
yellow
telescope
twilight
lenses
eyepiece
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.)
Active
Application number
DENDAT181029D
Other languages
German (de)
English (en)
Publication of DE181029C publication Critical patent/DE181029C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Lenses (AREA)
DENDAT181029D Active DE181029C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE181029C true DE181029C (enrdf_load_stackoverflow)

Family

ID=445244

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT181029D Active DE181029C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE181029C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
DE181029C (enrdf_load_stackoverflow)
Bierma The role of covenant theology in early Reformed orthodoxy
DE373755C (de) Optisches Hilfsmittel zum scharfen Einstellen
DE677678C (de) Anzeigevorrichtung fuer selbstanzeigende Waagen
DE898084C (de) Okular
Martin The photometric matching field
Stebbins et al. On the Constancy of the Light of Red Stars, with Forty New Variables of This Class
DE436260C (de) Photographisches Objektiv aus drei sammelnden Gliedern und einem hinter dem zweiten sammelnden Glied befindlichen zerstreuenden Glied
DE350952C (de) Galileisches Fernrohr
DE128104C (enrdf_load_stackoverflow)
DE240975C (enrdf_load_stackoverflow)
DE434759C (de) Wechsellinse
DE189981C (enrdf_load_stackoverflow)
DE470453C (de) Dunkelfeldkondensor
Cramer Name changes in the Acanthaceae of India and Ceylon (Sri Lanka)
Barnard On the great photographic nebula near Antares
DE526307C (de) Lichtstarkes Objektiv
DE891470C (de) Mikroskop
DE613786C (de) Handaugenspiegel
DE327191C (de) Pankratisches Fernrohr
DE278229C (enrdf_load_stackoverflow)
Abney Two cases of congenital night-blindness
DE753329C (de) Photographisches Objektiv
DE379910C (de) Mikroskop
DE1622827C (de) Beleuchtbare Betrachterlupe mit eingebauter Hinweisskala, insbesondere für die Augendiagnostik