CH30519A - Als Stereoskop verwendbare Ansichtskartenenveloppe - Google Patents

Als Stereoskop verwendbare Ansichtskartenenveloppe

Info

Publication number
CH30519A
CH30519A CH30519A CH30519DA CH30519A CH 30519 A CH30519 A CH 30519A CH 30519 A CH30519 A CH 30519A CH 30519D A CH30519D A CH 30519DA CH 30519 A CH30519 A CH 30519A
Authority
CH
Switzerland
Prior art keywords
stereoscope
postcard
envelope
postcard envelope
Prior art date
Application number
CH30519A
Other languages
English (en)
Inventor
Leo Wolfram
Original Assignee
Leo Wolfram
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 Leo Wolfram filed Critical Leo Wolfram
Publication of CH30519A publication Critical patent/CH30519A/de

Links

CH30519A 1904-03-11 1904-03-11 Als Stereoskop verwendbare Ansichtskartenenveloppe CH30519A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH30519T 1904-03-11

Publications (1)

Publication Number Publication Date
CH30519A true CH30519A (de) 1904-12-31

Family

ID=4247515

Family Applications (1)

Application Number Title Priority Date Filing Date
CH30519A CH30519A (de) 1904-03-11 1904-03-11 Als Stereoskop verwendbare Ansichtskartenenveloppe

Country Status (1)

Country Link
CH (1) CH30519A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2821884A (en) * 1954-08-25 1958-02-04 Charles D Austin Stereoscopic viewer and card holder
US3391971A (en) * 1964-03-20 1968-07-09 Eli G. Kaufman Foldable cardboard three dimensional viewer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2821884A (en) * 1954-08-25 1958-02-04 Charles D Austin Stereoscopic viewer and card holder
US3391971A (en) * 1964-03-20 1968-07-09 Eli G. Kaufman Foldable cardboard three dimensional viewer

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