Animated Antique Posographe Ex

1.50.04

The Animated Software Company

0.00

0 reviews

100+
Downloads

Free

Kaufmann Posographe (a 1920s mechanical contraption for photographers)

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100+ downloads

About Animated Antique Posographe Ex

Animated Antique Posographe Ex is an education app developed by The Animated Software Company.

Download Statistics

Animated Antique Posographe Ex has been downloaded 110 times. In the last 30 days, the app was downloaded 0 times.

User Ratings

The app has no ratings yet.

App Information

Animated Antique Posographe Ex is FREE to download. The APK download size is 11.03 MB. The latest version available is 1.50.04. The last update was on November 19, 2019.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play November 2019.

Description

The Kaufmann Posographe is a fascinating mechanical contraption which was used by photographers in the early 20th Century to set their exposure times. Back then exposures were measured in seconds, and everyone in the picture had to freeze ("pose") for the entire time. Film plates were expensive and difficult to handle, so do-overs were avoided as much as possible. Over 100,000 French versions of the Posographe were sold alone, as well as tens of thousands of English-language versions. (Although this program is in English, the far more common French Posographe is depicted.)

This animation was originally created based on an article in the Oughtred Society's bi-annual journal, Spring 2019 issue, and then the lead programmer purchased an antique Posographe in order to make more accurate measurements and higher resolution photographs, to check the placement of some hidden connections, and lastly, to test the accuracy of the model against an actual Posographe. It’s very close!

Kaufmann invented and patented several versions of the Posographe and a couple of other related mechanical contraptions. The mathematical theory behind how the Posographe works was conceived around the same time, and Kaufmann apparently had a number of correspondences with the mathematician who invented the theory. Although the theory is not explained here, the math behind the Posographe is illustrated with connecting lines, colored brass plates (or not, if you prefer!), circles indicating intersecting positions of the pieces, and various additional ways of exploring "under the hood."

This program has fairly extensive math operating in the background, so it's best to have lots of battery life if running the program while on a batteries, especially if you turn on the "auto-move" feature and simply watch it run -- which is a lot of fun to do, by the way!

If using a keyboard, the following keys are available:

+ = enlarge item under mouse
- = shrink item under mouse
arrow keys = move item under mouse
enter key = guide page
a = animate Posographe
s = snake

Recent changes:
Improved pinch-zoom/pan; added four suggested configurations and guide page; added keyboard options for zoom/pan; minor additional improvements

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More data about Animated Antique Posographe Ex

Price	Free to download
Total downloads	110
Recent downloads	0
Rating	No ratings
Ranking	Not ranked
Version	1.50.04
APK size	11.0 MB
Number of libraries	?
Suitable for	Everyone
Ads	NO ads

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Animated Antique Posographe Ex compared with similar apps

Common keywords of similar apps

Posographe Kaufmann Mechanical Versions Program Theory Item Mouse Antique Contraption Photographers Plates French English Invented Math Additional Move Keyboard Keys Guide Page Zoom Pan Added Time

Keywords missing from this app

App Vintage Photo Camera Images Photos Cam Create Effects Video Effect Oldview Retro Filters Frame Motion Recent Image Film Animation Historical Exposure Features Cartoon Sound Share World Free Application Art Add Pose Double Dazzle Videos Location Easily Photographs Years Function Easy Professional Simple Make Editor Real Color Style Fun

Downloads over time

Animated Antique Posographe Ex has been downloaded 110 times. Over the past 30 days, it has been downloaded 0 times.

Changelog of Animated Antique Posographe Ex

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Developer information for The Animated Software Company

The Animated Software Company

rhoffman@animatedsoftware.com

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Google Play Rankings for Animated Antique Posographe Ex

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Technologies used by Animated Antique Posographe Ex

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