86 A. 152 S. DAVIES WARFIELD vs. H. IRVINE KEYSER AND REDMOND C. STEWART, ADMINISTRATORS OF HENRY B. KEYSER, DECEASED. Court of Appeals of Maryland. Decided December 12th, 1912. Estoppel. Contracts: preliminary drafts; unsigned; not admissible in evidence. In a suit involving a contract, preliminary drafts of the contract that were not signed or entered […]