Coleman Bros., Inc. v. Union St. Ry. Co., 198 N.E. 917, 292 Mass. 557 (1935)

Coleman Bros., Inc. v. Union St. Ry. Co., 198 N.E. 917, 292 Mass. 557 (1935)

A cut or picture of the compressor was admitted as a chalk to give idea of what it looked like.