crwdns2933423:0crwdne2933423:0

crwdns2933803:03crwdne2933803:0

crwdns2933797:0robertcbaruchcrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 robertcbaruch

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0

crwdns2933807:0crwdne2933807:0

[* black] Put that screw in a bag immediately!
[* black] Label the bag as bag number 1. We'll find the serial number of the calculator shortly.
[* black] Pat yourself on the back. You are now officially organized.
+[* icon_note] In the 1920's, screw threads were standardized just as they are today. The one you just unscrewed is a #8-36.
+[* icon_note] All the screws are machine screws, using fine threads, and are slotted. Phillips head screws had not yet been invented!
+[* icon_note] The heads of the 1920's screws are basically cylinders. Today, the equivalent would be called a pan-head screw.