PHYSICAL DESCRIPTION: Roughly, 7 1/4", (18.4cm), tall, coppery toned finished, tooled aluminum alloy construction, J-Feder 504 demolition timer with a dual-stepped, top section with the circumference ranging from roughly, 10 3/8", (26.3cm), down to 9/38", (23.7cm), and a cylindrical bottom section with a roughly, 3 1/2", (8.8cm), circumference. The device has a screw off top lid with repeating, vertical grooves to the outside edge, for ease of handling. The interior top has two, turn-able, dials with one dial setting the time delay as required and the other dial activating the actual clock movement mechanisms. Both dials and the internal clock movement mechanisms still function. The interior top also has an impressed, blackened serial number, "13898". Positioned horizontal just below the removable top lid is an additional dial with repeating, vertical grooves to the outside edge, for ease of handling, two sets of impressed, red and white directional arrows and the impressed red and white script with, "Geht", (Go), in red and, "Steht", (Stop), in white. One side of the top section has a small, embossed, panel with an inset, circular, glass viewing panel. The glass viewing panel enables you to see some of the internal clock movement mechanisms" which includes dual, movable, horizontal discs with red and black impressed timing numerals. The glass viewing panel has a clear center and white painted, vertical strips to each side with black printed script to each side that includes, "schwarz-Stunden", (Black-Hours), and mostly illegible script that appears to be, "Rot-Tage", (Red-days), referring to the black and red numerals visible on the internal discs. The top edge of the glass viewing panel also has a matching, impressed, white serial number, "13898", as found in the top interior. The top section also has two, faint, stamped waffen-amts. The bottom, cylindrical section of the device has a small, extended, screw threaded, port with a corresponding, chained on, gilt washed screw with a large head with repeating, cross-hatched grooves, to the outside edge for ease of handling and impressed red script, "Scharf", (Armed/Primed). The very bottom edge of the bottom, cylindrical section has an opened, screw threaded port and comes with a separate, screw threaded, plunger/striker type device, presumably to activate the explosion when the internal clock had run through the set time delay period. The device retains over 95% of it’s original, coppery toned finished with a couple of small scrapes and scuffs and the internal clock movement mechanisms all still appear to function accurately. The device comes housed in a roughly, 6 1/2", (16.4cm), tall, 9 1/2", (24.1cm), wide, 5 3/4", (14.5cm), thick, nicely constructed, field-grey painted, softwood, transport/storage, case with dove tailed corner joints, screwed on top and bottom panels and magnetic sheet metal fittings. The case has a fold back top lid with two, evenly spaced, sheet metal, bar hinges to the reverse and a tan paint, screwed on, spring activated, inset, sheet metal closure clip to the obverse. Both the hinges and closure clip still function. The top edge of the top lid has a black painted, screwed on, inset, sheet metal panel with an oval recess and a heavy, oval, swivel sheet metal carrying handle. The obverse of the case has the white stenciled designation, "J-Feder 504", and a white stenciled serial number, "15928". The exterior of the case retains about 90% of it’s field-grey paint and the sheet metal fittings retain about 95% of their respective tan and black paints. The interior of the case is in natural wood and has carved, wooden, frame panels and screwed on, sheet metal, component retaining clips. The carved wooden frame panels have two, small, circular, cut-outs with one designed to secure the screw threaded, plunger/striker type device which is included, while the other was designed to secure a dummy/safety device which is absent. The carved wooden frame panels also have additional contoured cut-outs to secure the actual demolition timer device in place and are mounted on springs to ensure a tight fit when in the closed position. The interior top lid of the case has a glued on, white paper label with the black printed Gothic scripted instructions which include, "Gebrauchsanweisung 1. Deckel vom Gerät abschrauben 2. Werk mittels der Aufzugtrommel in Pfeilrichtung aufziehen. 3. Zeitzündung mittels des Stellknopfes Zt in Pfeilrichtung einstellen. 4. Deckel wieder fest auf’s Gerät schrauben. 5. Schutzkappe entfernen, Sprengkapsel einsetzen. 6. Gerät auf den Sprengkörper schrauben. 7. "Blind"-Schraube herausschrauben 8. "Scharf"-Stellschraube einschrauben. Entsichern Falls die Schraube sich nicht ganz einschrauben laßt, ist das Gerät nicht in Ordnung. 9. Anlaßring auf "Geht" stellen., (Usage Directions 1. Unscrew the top lid of the device. 2. Activate by turning the drum in the direction of the arrow to work the clockwork spring. 3. Adjust the time ignition by placing the arrow direction button on the time required. 4. Replace the top lid firmly on the device. 5. Remove safety cap and insert the detonator 6. Screw the device onto the explosive charge. 7. Remove the "dummy/blank" screw. 8. Tightly screw on the armed/primed screw. "Armed" Release the safety Catch If the Screw cannot be entirely screwed in the device is not in order. 9. Place the Starter ring on the "Go" position). Also included is a roughly, 4 1/4" x 6 1/4", (10.7cm x 15.8cm), booklet with a mid-weight, orange cardstock cover with the black printed designation, "J-Feder 504", and the unit’s serial number, "Nr. 15928". The serial number on the booklet matches the serial number on the case, but unfortunately not the serial number on the actual device. The interior of the booklet has nine, single side printed, pages with time delay setting range tables and printed script that includes assorted time set ranges and sections for testing the device for accuracy. The interior of the booklet also has a few purple inkstamps that include a waffen-amt, a date, "19. Juni 1944", and a manufacturer’s three letter code, "cja", indicating the actual J-Feder 504 demolition timer device was manufactured by Gebrüder Junghans AG, Uhrenfabrik/Zünder, Munitions-Teile, Uhren, (Junghans Brothers Clock Factory/ Igniters, Ammunition Parts, Clocks), of Schramberg/Schwarzwald. Scarce, nice ordnance accessory with all the components are in overall very good condition

GRADE ****1/4                             PRICE $735.00