WWII US Army Signal Corps Type J-38 SEMCO Telegraph Key with 2 Wooden Box Sounders
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WWII US Army Signal Corps Type J-38 SEMCO Telegraph Key with 2 Wooden Box Sounders

Code: comtg10004


SOLD!!! No Longer Available!

Product Description

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PLEASE NOTE: WE ARE IN THE OFFICE Through TUESDAY 09/16,

AFTER That Date, We Will Be OUT OF THE OFFICE from WEDNESDAY 09/17 until TUESDAY OCTOBER 7th!!

Ron Will Be OUT OF THE OFFICE from WEDNESDAY 09/10 until FRIDAY OCTOBER 10th!!

So there MAY be SHIPPING DELAYS on MILITARIA Orders Placed AFTER 09/10 through 10/10!!

BUT We Will DEFINITELY Be ABLE TO SHIP Orders Placed Through TUESDAY 09/09,

And MIGHT Be ABLE TO SHIP ORDERS Placed through MONDAY 09/15, But After That we CANNOT SHIP Until TUESDAY 10/07!!

Update 09/09/25: WE ARE STILL EXPERIENCING TECHNICAL DIFFICULTIES WITH non-PayPal CREDIT CARD PURCHASES!!

BIG WEBSITE CHANGES are in the works and this Issue WILL BE CORRECTED sometime in OCTOBER!!

If you would like to PAY for an Artifact valued at OVER $100.00 with a CREDIT CARD, please email and I will get an invoice emailed to you ASAP!

We are HAPPY TO ACCEPT YOUR ORDERS during this time, and we will promptly SHIP MOST orders within ONE Business Day of Receipt of Payment!

And, as always, if you would like to fund your $100.00+ order through a Bank that offers ZELLE, ASK ABOUT our ZELLE DISCOUNT!!

That DISCOUNT also applies to PayPal GIFT (Fee-Free), Check, and Money Order payments!!

Thank you for visiting. We hope you will find some vintage artifacts here on our site to add to your collection.

We look forward to serving your collecting needs, Ron & Kanae

ARTIFACT: This is a World War II United States Army Signal Corps Type J-38 telegraph key with two wooden-base sounders. The J-38 was a Morse Code training key made for the Army by several companies. This particular one was manufactured by Signal Electric Manufacturing Company, one of the earliest contractors to produce it.

VINTAGE: Circa World War II.

SIZE: Larger sounder: approximately 6-3/8" in length and 3-1/2" in width and 3" in height; smaller sounder: approximately 5-1/4" in length and 2-7/8" in width and 3-3/8" in height; key: approximately 4-3/4" in length and 3" in width and 1-1/2" in height.

MATERIALS / CONSTRUCTION: Brass, plated brass, Bakelite, wood (sounders only) copper wire (smaller sounder only).

ATTACHMENT: Sounders: holes; key: holes and hook.

MARKINGS: Larger sounder: SIGNAL ELECTRIC MFG CO. MENOMINEE, MICH. 50 OHMS on base; smaller sounder: SIGNAL ELECTRIC MFG CO. MENOMINEE, MICH. on metal and 20 OHMS on base; key: J-38 and hard to read number (stamped in red) on base and SIGNAL ELECTRIC MFG CO. MENOMINEE, MICH. (partially visible on metal).

ITEM NOTES: This is from a United States Army collection which we will be listing more of over the next few months. ebay VCCJX99 LCGEX3/11 SLCDJX6/16 SeVDCJX10/23/24

CONDITION: 8- (Very Fine-Excellent): The equipment is all in very good shape. One sounder still has copper while the other does not, and all pieces have minimal tarnish and only light abrasions to the wooden bases (sounders only).

GUARANTEE: As with all my artifacts, this piece is guaranteed to be original, as described.