Product Details

See all pics. Scratch/crack on a side. Vintage Charles Bruning Co. Alidade Triangular Scale, specification 42-32, featuring a white edge design. This professional drafting tool includes a scale of differences in elevation in feet for 1 per cent slope and a scale of yards. Marked U.S.M.C. on the reverse, indicating military provenance. The instrument comes in its original blue protective box. Ideal for collectors of vintage engineering equipment, cartography tools, or military memorabilia. Measurements: • Length: 8.5" We'd be incredibly grateful if you could leave positive feedback. Your reviews help our small business grow and allow future customers to shop with confidence. Be sure to save our store and check back often, as we're constantly adding new inventory—from clothing and shoes to collectibles, vintage finds, and one-of-a-kind treasures.