:Edmund Scientific has Geiger counters ranging from US $ 269 to $ 899 .-- talk ) 18 : 31, 29 December 2009 ( UTC)
2.
"" Omer "-counters " are typically offered for sale during this time, and are displayed in synagogues for the benefit of worshippers who count the " Omer " with the congregation at the conclusion of evening services . " Omer "-counters range from decorative boxes with an interior scroll that shows each day's count through a small opening; to posters and magnets in which each day's count is recorded on a tear-off piece of paper; to calendars depicting all seven weeks and 49 days of the " Omer ", a small pointer is advanced from day to day; to pegboards that keep track of both the day and the week of the " Omer ".
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