The two-floor Salmasi edifice is one of the houses of Tabriz with sash windows, wall fireplaces and beautiful stucco-works. The edifice is now utilized as Sanjesh museum to exhibit various measuring equipment’s ranging from delicate balances to large bascules, metering tools and other evaluating scales. In this Museum types of tools and devices to measure time as old and artistic types of clocks made in different countries, all types of instruments to measure weight, including small scales and large steelyard special assessment instruments for measuring length and other measures are displayed. This museum is built in pleasant old house of Salmasi. This house belongs to the early Qajar and was built by Salmasi family who was an old family in Tabriz.