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$4.89, Jan 8 3:14 am $5.99, Jan 17 - Jan 19 $4.89, Jan 19 - Jan 28 $5.99, Jan 30 8:23 am $4.89, Jan 30 - Feb 3 $5.99, Feb 9 6:56 am $4.89, Feb 11 9:32 am $5.99, Feb 12 - Feb 13 $4.89, Feb 16 - Feb 17 $5.99, Feb 18 - Feb 19 $4.89, Feb 20 - Feb 21 $5.99, Feb 26 8:01 am $4.89, Feb 27 1:59 am $5.99, Mar 13 1:40 am $4.89, Mar 17 - Mar 18 $5.99, Mar 18 - Mar 21 $4.89, Apr 3 - Apr 4 $5.99, Apr 6 5:02 am $4.89, Apr 13 10:19 am $5.99, Apr 18 11:45 am $4.89, Apr 21 - Apr 22 $5.99, Apr 22 - Apr 23 $4.89, Apr 24 - Apr 26 $5.99, Apr 27 - Apr 28 $4.89, Apr 29 - May 2 $2.50, Apr 26 - Apr 20 10,233 165,511
137,500
103,125
68,750
34,375
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Price Details
3rd Party New
Latest
$2.50 Apr 20, '16
Highest
$5.99 Apr 27, '14
Lowest
$2.50 Apr 26, '15
Average
$2.50 (30d avg)
Added
Oct 3, 2013
Sales Rank
30 day average: 140,688 140,361
Product Description
Excellent for demonstrating the spectrum from various light sources. Grating is mounted in a 2" x 2" slide frame for easy handling during classroom experiments. 13,500 lines per inch.
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