just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 1/?

https://www.npr.org/2024/03/03/1235158989/the-enduring-story-for-underground-railroad-quilts

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 2/?

https://owlcation.com/humanities/All-things-HOBO-signs-and-symbols

All Things Hobo—Signs and Symbols

The early 1900's were a time of displacement of over 500,000 people in the U.S. Many became Hobos and became a migrant society. As they traveled they developed a communication code using symbols.

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 3/?

https://en.wikipedia.org/wiki/Copiale_cipher

Copiale cipher - Wikipedia

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 4/?

https://en.wikipedia.org/wiki/ADFGVX_cipher

ADFGVX cipher - Wikipedia

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 5/?

https://en.wikipedia.org/wiki/Book_cipher

Book cipher - Wikipedia

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 6/?

https://en.wikipedia.org/wiki/Numbers_station

Numbers station - Wikipedia

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 7/?

https://recipes.hypotheses.org/17962

Eggs and Invisible Ink: George and Giovanni

By Sean Coughlin In a 2015 episode of Turn, a US Revolutionary War TV drama on AMC, George Washington’s spy Abraham Woodhull uses a special ink made with alum to write secret messages under the shells of hard-boiled eggs. The technique was also advertised on the show’s Twitter in 2014, a year before the episode … Continue reading Eggs and Invisible Ink: George and Giovanni →

The Recipes Project

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 8/?

https://en.wikipedia.org/wiki/Playfair_cipher

Playfair cipher - Wikipedia

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 9/?

Simple Sabotage Field Manual, OSS (proto-CIA), 1944

https://archive.org/details/SimpleSabotageFieldManualStrategicServicesProvisional/mode/2up

Simple Sabotage Field Manual. Strategic Services (Provisional) : United States. Office of Strategic Services : Free Download, Borrow, and Streaming : Internet Archive

January 17, 1944. This information is to characterize simple sabotage, to outline its possible effects, and to present suggestions for inciting and executing...

Internet Archive

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 10/?

Medical Field Manual Field Sanitation, War Department 1940

https://archive.org/details/FM8-40MedicalFieldManualFieldSanitation

FM 8-40 Medical Field Manual Field Sanitation : Military : Free Download, Borrow, and Streaming : Internet Archive

FM 8-40 Medical Field Manual Field Sanitation

Internet Archive

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 11/?

FIRST AID FOR SOLDIERS - A FIELD MANUAL, US Army 1988

https://archive.org/details/Survival-FirstAidForSoldiers-AFieldManual/mode/2up

SURVIVAL - FIRST AID FOR SOLDIERS - A FIELD MANUAL : ANONYMOUS : Free Download, Borrow, and Streaming : Internet Archive

SURVIVAL - FIRST AID FOR SOLDIERS - A FIELD MANUAL

Internet Archive

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 12/?

did you know there are copies of a ***certain cookbook*** that can be found on the internet archive

remember to wrap yourself in an off-shore VPN first

per @cR0w don't save this on your work computer either ;)

just putting this here as a cool part of history. it has no bearing in the future, at all. there are no lessons here 🧵 13/?

Management of Dead Bodies
after Disasters: A Field Manual for First Responders, WHO et al, 2006

https://archive.org/details/deadbodiesfieldmanual/mode/2up

Dead Bodies Field Manual : Free Download, Borrow, and Streaming : Internet Archive

64pg

Internet Archive
just putting this here as a cool part of  history. it has no bearing in the future, at all. there are no lessons here 🧵  13/?

@pixelnull

Sugar at around 0.1% concentration in concrete mix maybe be beneficial.

https://smoothdecorator.com/how-sugar-can-have-a-positive-impact-on-concrete/

How Sugar Can Have a Positive Impact on Concrete - Smooth Decorator

The beneficial effects of adding table sugar to concrete, such as retarding its setting time, improving its flowability, increasing its density, reducing the heat generated during hydration, and enhancing its strength, have been studied. The optimal amount of sugar to add and the precautions to take during the concrete construction process have also been investigated.

Smooth Decorator - Ideas and Inspiration For Your Home