telegraph 3D 打印模型

how many lives did the telegraph save?

a telegraph worked by transmitting electrical signals over wires. imagine how the task of transmitting electrical signals
literally revolutionized communication. people from all over the world could now communicate almost instantly.
think of it as old-fashioned texting!

check out my blog post for a brief history and how this technology saved over 700 of lives from the titanic!

https://printmypassion.com/how-many-lives-did-the-telegraph-save/

features

side knobs are threaded for easy assembly
other knobs are glued...i used hot glue

what you will need

any type of superglue/hot glue for assembly of knobs 打印准备: 否