# Optician n.d.: The Oculists' secret society

> Optician, n.d.. 6 records on Mysteries Department cite it. Source for the range of date estimates.

Source: https://mysteriesdept.com/sources/SRC0CYVFDR055EP/the-oculists-secret-society  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[Copiale cipher](https://mysteriesdept.com/mysteries/copiale-cipher)Optician n.d.

**0**

# The Oculists' secret society

Optician, n.d.. _Optician Online_.

Trade-press feature on the Oculists; gives the paper-based date of about 1760 to 1780 and Önnerfors's proposal of the 1740s from the handwriting, and the manuscript's finding in the East Berlin Academy archive.

**Copiale cipher** Web pageChecked against the original0

## What it's used for here

Source for the range of date estimates.

## Cited by on this site 6 records

[The manuscript was written between about 1760 and 1780, as the paper analysis suggests.](https://mysteriesdept.com/mysteries/copiale-cipher/answers/ANS0CYVFNJ00YCN/the-manuscript-was-written-between-about-1760-and-1780-as)

Answer

ANS

[The Copiale cipher manuscript](https://mysteriesdept.com/mysteries/copiale-cipher/artifacts/ART0CYVFS7629PZ/the-copiale-cipher-manuscript)

ART

[Paper analysis has been reported as giving about 1760 to 1780.](https://mysteriesdept.com/mysteries/copiale-cipher/evidence/EVD0CYVFNST1WFZ/paper-analysis-has-been-reported-as-giving-about-1760-to)

Evidence

EVD

[The manuscript is written, by paper and hand between about 1730 and 1780](https://mysteriesdept.com/mysteries/copiale-cipher/events/EVT0CYVFGDY4PSH/the-manuscript-is-written-by-paper-and-hand-between-about)

EVT

[The Copiale cipher](https://mysteriesdept.com/mysteries/copiale-cipher)

The mystery article

MYS

[When was the manuscript written and by whom?](https://mysteriesdept.com/mysteries/copiale-cipher/questions/QST0CYVFHWT74XG/when-was-the-manuscript-written-and-by-whom)

Question

QST

## Cite it

```
Optician (n.d.). The Oculists' secret society. Optician Online. https://www.opticianonline.net/content/features/the-oculists-secret-society
```

[Read it free at opticianonline.net](https://www.opticianonline.net/content/features/the-oculists-secret-society)

Key

**SRC** 0CYVFDR055EP

Kind

Web page

Rights

The publisher's

Checked

Against the published original

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

Bibliographic records are CC0. Take this one as CSL-JSON, BibTeX or RIS.

[CSL-JSON](https://mysteriesdept.com/sources/SRC0CYVFDR055EP/the-oculists-secret-society/csl.json)