(UN-1 12.)
1862. E. B. Denison, in Guardian, No. 882. The founder and his advocates declare that porosity and unhomogeneity are unavoidable [in bells].
(UN-1 12.)
1862. E. B. Denison, in Guardian, No. 882. The founder and his advocates declare that porosity and unhomogeneity are unavoidable [in bells].