@inbook{+1793+331+333,
url = {https://doi.org/10.70249/9798893984842-038},
title = {DESCRIPTION OF A SPRING BLOCK},
booktitle = {Transactions of the American Philosophical Society, Old Series, Vol 3, 1793},
booktitle = {APTAPSO-B, Volume 3},
editor = {},
publisher = {The American Philosophical Society Press},
address = {Philadelphia, PA},
pages = {331--333},
doi = {doi:10.70249/9798893984842-038},
isbn = {9798893984842},
year = {1793},
lastchecked = {2026-05-11}
}