UNT Libraries Government Documents Department - 2 Matching Results
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- Combined Andirons and Grate
- Patent for a combined andiron and grate that can be used with or without the grate attachment. The grate is adjustable to maintain variable fire depths and has "a swinging bracket for heating and cooking."
- Permutation-Lock.
- Patent for a permutation lock, which is harder to break into than the previous version.