This section is from the book "Spons' Mechanics' Own Book: A Manual For Handicraftsmen And Amateurs", by Edward Spon. Also available from Amazon: Spons' Mechanics' Own Book.
Pterocarpus dalbergioides weight, 49-56 lb.; elasticity, 4180; cohesion, 19,036 lb.; strength, 864-934 lb.; furnishes a red, mahogany-like timber, prized by the natives above all others for cart-wheels, and extensively used by Government in the construction of ordnance carriages.
Pterocarpus Marsupium weight, 56 lb.; elasticity, 4132; cohesion, 19,943 lb.; strength, 868 lb.; wood is light-brown, strong, and very durable, close-grained, but not easily worked; it is extensively used for cart-framing and house-building, but should be protected from wet; also well fitted for railway sleepers.
Pterocarpus Santalinus (Red Sandal) weight, 70 lb.; elasticity, 4582: cohesion, 19,036 lb.; strength, 975 lb.; heavy, extremely hard, with a fine grain, and is suitable for turnery, being of a dark-red colour, and taking a good polish.
Rhus acuminata furnishes a wood much valued by cabinet-makers for ornamental furniture: planks 8 X 2 1/2 ft. can be obtained from some trees.
Santalum album (Sandal) weight, 58 lb.; elasticity, 3481; cohesion, 19,461 lb.; strength, 874 lb.; valued tor making work-boxes, and small articles of ornament; and for wardrobe-boxes, etc, where its agreeable odour is a preventive against insects.
Sapindus emargmatus weight, 64 lb.; elasticity, 3965; cohesion, 15,495 lb.; strength, 682 lb.; furnishing a hard wood, which is not durable or easily worked, and is liable to crack if exposed; but is used by natives for posts and door-frames, also for fuel.
Schleichera trijuga a red, strong, hard, and heavy wood, used for oil-presses, sugar-crushers, and axles; a large and common tree in Burma, where excellent solid cartwheels are formed from it.
Shorea obtusa weight, 58 lb.; elasticity, 3500; cohesion, 20,254 lb.; strength, 730 lb.; a heavy and compact wood, closer and darker coloured than ordinary sal, used for making carts, and oil- and rice-mills.
Shorea robusta (Sal) weight, 55 lb.; elasticity, 4209-4963; cohesion, 11,521-18,243 lb.; strength, 769-880 lb.; furnishes the best and most extensively used timber in Northern India, and is unquestionably the most useful known Indian timber for engineering purposes; is used for roofs and bridges, ship-building and house-building, sleepers, etc.; timber is straight, strong, and durable, but seasons very slowly, and is for many years liable to warp and shrink.