Hubbard Sieve Screen set (#548), plastic

Photograph
Specifications
Basic information on each piece of equipment

Set of two Hubbard 8" plastic sieves with bottom pans. The ARF sieves are actually black plastic (not gray as shown in photo).

Hubbard #548 Screen Six Sieve Set (6-3/4" x 3").
Set includes six U.S. Bureau of Standard mesh sizes 5, 10, 35, 60, 120, 230.

Number in ARF 
Inventory
Bureau of Standards
Sieve Number
Specified
Sieve Opening
Specified
Wire Diameter
Inches
    Inches Microns  
 2 5 .157 4000 .044
2 10 .0787 2000 .0299
2 35 .0197 500 .0114
2 60 .0098 250 .0064
2 120 .0049 125 .0034
2 230 .0024 63 .0018

US Bureau of Standards Testing Sieves (complete table)