Download Tesseract 3.04 from https://launchpad.net/ubuntu/+source/tesseract/3.04.01-6.
Then to install it in $HOME/local:
./autogen.sh
./configure --prefix=$HOME/local/
make
make install
Thanks to: https://stackoverflow.com/questions/52475121/installing-tesseract-3-04-on-lubuntu-18-04