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Posted by Dick Hosmer on Wednesday, 13 May 2009, at 11:46 p.m.

Pardon an old man's question - could someone please explain to me why the seeming vital importance to people who are clearly not "collectors" of knowing, to the month (and I suppose the week, or day, if it could be determined) when their arm was made?

Such a task is unfortunately doomed to fail - consider:

(1) ALL of the published tables are ESTIMATES - some better than others.

(2) Even constructing a running total from the annual RCOs is not accurate because not all production was logged (those new receivers used on rebuilt [most star marked] arms were not counted). The "out-of-step" due to this alone reached approximately 20,000 at its' zenith.

(3) Receiver production was kept ahead of arms assembly.

(4) SA operated on the LIFO (last in - first out) system - drawing receivers from LARGE trays on rolling carts, at multiple points in the factory. There was NO one assembly line point past which every arm went in any sort of order.

(5) They changed accounting from calendar to fiscal (or vice-versa, I can never remember) midstream - circa 1878.

A complete arm clearly may not exist prior to the earliest possible date that its' receiver could have been made, but, it MAY not have come into being until months later. So, all answers to "when" questions (MINE INCLUDED) are best guesses only. There is no definitive answer.


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