The Antique Welch Services Resistance Decade Box is a rare and valuable collectible item from the pre-1930 era, specifically in the field of engineering. This device would have been used for measuring resistance values with precision and accuracy, making it an important tool for various scientific and medical applications during that time period. Its vintage design and historical significance make it a sought-after piece for collectors and enthusiasts of antique scientific instruments. One glass panel has a small break. Visible in photo. Cool display piece.