The term mercury barometer is identified in base64 scheme by the sequence bWVyY3VyeSBiYXJvbWV0ZXI=, while the MD5 signature is equal to 81d6f8eaf8dfb7991908e371db05ba4c. The ASCII encoding of mercury barometer in hexadecimal notation is 6d657263757279206261726f6d65746572.