@article{palimpsest 24355, author = {Homer L Calkin}, title = {Miscellaneous Inventions}, volume = {50}, year = {1969}, url = {https://pubs.lib.uiowa.edu/palimpsest/article/id/24355/}, issue = {8}, doi = {10.17077/0031-0360.24355}, abstract = {}, month = {8}, pages = {463-478}, issn = {2638-4086}, publisher={State Historical Society of Iowa}, journal = {The Palimpsest} }