72 



CIRCULAR 3 3 3, U.S. DEPARTMENT OP AGRICULTURE 



INSTRUMENTS, ACCESSORIES, TOOLS, AND STATIONERY USED IN 



SAMPLE-PLOT WORK 



INSTRUMENTS 



Alidade, 30-inch scale. 



Aneroid barometer. 



Auger, soil. 



Bark measurer, Swedish. 



Bark scratcher. 



Calipers. 



Camera, with carrying case, color 



screens, films, ground glass, special 



lenses, photometer, set of numbers, 



sky filter, and tripod. 

 Chain, surveyor's. 

 Compass. 



Containers, increment-core. 

 Drafting boards. 

 Drafting instruments. 

 Geotome. 

 Hypsometer, Forest Service standard 



and Klaussner. 

 Increment borer (preferably two sizes) , 



with extra bits. 

 Lenses, hand. 

 Level, Abney. 

 Microscope, field, low-power. 



Mirror, angle. 



Pins, surveyor's. 



Plane tables, large and small, with 

 tripod. 



Plumb bobs. 



Potentiometer, soil-acidity. 



Quadrat frames. 



Range finder, Fardi. 



Register, tally. 



Rods, measuring. 



Rods, stadia. 



Rules, 12-inch ; steel, with rtr-inch divi- 

 sions ; wood, with %-inch divisions. 



Scales, engineer's 12-inch boxwood. 



Slide rule. 



Staff, Jacob's. 



T-square, drafting. 



Tapes, diameter, 10-foot, 20-foot, and 

 50-foot. 



Tapes, surveyor's, 50-foot, 100-foot, 1- 

 chain, 2-chain. 



Transit, with tripod. 



ACCESSORIES 



Brushes, paint, several sizes, and stiff 

 wire. 



Canteen. 



Carrying case, hand, canvas. 



Chalk, crayon and precipitated. 



Cheesecloth (or cheap muslin). 



Climbers, tree. 



Crayons, artist's, in different colors; 

 keel (red, blue, black). 



Iron, angle (for corners). 



Knapsack. 



Ladder, sectional. 



Maps, county, forest, road, State. 



Nails, assorted copper (sixpenny, 

 eightpenny, twelvepenny, finishing). 



Numbering machine and tape. 



Paint. 



Phloroglucin. 



Pins, wire (for reproduction). 



Pipe, iron (for corners). 



Posts, concrete (for hubs or perma- 

 nent corners). 



Press, plant, with blotters and papers. 



Protractors, metal and xylonite. 



Repair outfit, tape, complete. 



Rope, clothesline and manila (or 

 hemp), %-inch. 



Sacks, burlap, chalk, seed, soil. 



Safety belt, lineman's. 



Scales, postal, 25-pound capacity. 



Screws, assorted sizes. 



Scribe, timber. 



Signs, tin, enamel, wood (for location 

 survey, boundary, information, etc.). 



Sling seat (for climbing trees). 



Soil cans. 



Spray gun, paint. 



Stamps, rubber (tree-numbering). 



Staples, fence. 



Stencils (for signs). 



Tacks, carpet and thumb. 



Tags, tree. 



Tatum holder. 



Triangles, xylonite. 



Trunk (for instruments and records). 



Twine. 



Wire, copper, noninsulated and insu- 

 lated ; hay, stove, and telephone no. 

 12. 



TOOLS 



Axes, hand and single-bit. 



Brush cutters (pruners). 



Chisel, cold and carpenter's 1-inch. 



Connectors, wire. 



Cutters, wire. 



Dies, set of. 



Draw-shave. 



Files, flat, rat-tail, and triangular. 



Hammers, carpenter's special claw, 



machinist's, and light sledge. 

 Hatchet. 



Knives, bolo, butcher, hand, and 



machete. 

 Mattock. 

 Pliers. 

 Rasp. 



Saws, carpenter's hand, and crosscut. 

 Screw-drivers (large and small). 

 Shovel, long-handled. 

 Spade. 

 Whetstone. 



