Parts
The table below includes every part in the Curta type I. The original engineering diagrams included on most of these pages are from the Museum Mura
| Part No. | Name | Quantity | Proposed Process | Has Model |
|---|---|---|---|---|
| 10001 | Step drum body | 1 | CNC Milled | Yes |
| 10002 | Housing top | 1 | CNC Milled | |
| 10003 | Main shaft | 1 | CNC Lathed | Yes |
| 10004 | Spider spring | 1 | Lasercut | Yes |
| 10005 | Ten carry lever for results | 10 | Lasercut | Yes |
| 10006 | Ten carry lever for turns | 5 | Lasercut | Yes |
| 10007 | Ten carry lever spring | 15 | Spring wind | Yes |
| 10008 | Numeral dial axles | 17 | CNC Lathed | Yes |
| 10009 | Tens bell body | 1 | CNC Lathed | Yes |
| 10010 | Step drum positioning tongue | 1 | Lasercut | Yes |
| 10011 | Upper main casting | 1 | CNC Milled | Yes |
| 10012 | Crank handle | 1 | CNC Lathed | Yes |
| 10014 | Transmission shaft | 17 | CNC Lathed | Yes |
| 10015 | Shouldered screw | 1 | CNC Lathed | Yes |
| 10016 | Carriage shift positioning pin | 1 | CNC Lathed | |
| 10018 | Ten carry lever bearing block | 15 | CNC Milled | Yes |
| 10019 | Full carry pin | 7 | CNC Lathed | Yes |
| 10020 | Guide sleeve for transmission gears (aka 410345) | 1 | Lathe + Compression | Yes |
| 10021 | Half carry pin | 8 | CNC Milled | Yes |
| 10022 | Crank handle pin | 1 | CNC Lathed | Yes |
| 10023 | Reversing lever spring | 1 | Buy | Yes |
| 10024 | Clearing plate plunger | 1 | CNC Lathed | Yes |
| 10025 | Main bearing sleeve body | 1 | CNC Lathed | Yes |
| 10026 | Carriage holding nut | 1 | CNC Lathed | Yes |
| 10027 | Carriage shift positioning pin | 1 | CNC Lathed | |
| 10028 | Baseplate | 1 | CNC Milled | Yes |
| 10029 | Number dial | 8 | CNC Lathed | Yes |
| 10030 | Clearing plate body | 1 | CNC Milled | Yes |
| 10031 | Retaining ring | 1 | Lasercut | Yes |
| 10032 | Guide sleeve for transmission gears (aka 410346) | 1 | Lathe + Compression | Yes |
| 10033 | Flat spring | 1 | Lasercut | Yes |
| 10034 | Clearing Lever | 1 | CNC Milled | Yes |
| 10035 | Retaining bushing for carriage pressure spring | 1 | CNC Lathed | Yes |
| 10036 | C-clip | 1 | CNC Milled | Yes |
| 2118 | Retaining screw | 2 | CNC Lathed | Yes |
| 10038 | Count gear I (aka 410347) | 20 | Lasercut | Yes |
| 10039 | Clearing lever position plunger | 1 | CNC Lathed | Yes |
| 10040 | Carriage casting | 1 | CNC Milled | Yes |
| 100402 | !IGNORE Carriage casting support IGNORE! | 1 | ||
| 10041 | Ferrule (aka 410348) | 2 | CNC Lathed | Yes |
| 10042 | Transmission gear spacer (aka 410349) | 2 | CNC Lathed | Yes |
| 10043 | Numeral dial I | 4 | CNC Lathed | Yes |
| 10045 | Numeral dial II | 13 | CNC Lathed | Yes |
| 10046 | Decimal marker | 7 | CNC Lathed | Yes |
| 10047 | Decimal marker spring | 7 | Buy | Yes |
| 10048 | Cylindrical screws | 2 | CNC Lathed | Yes |
| 10049 | Lock gear (aka 410350) | 17 | Lasercut | Yes |
| 10050 | Carriage pressure spring | 1 | Buy | Yes |
| 10051 | Transmission gear spacer (aka 410351) | 15 | CNC Lathed | Yes |
| 10052 | Transmission gear | 17 | CNC Milled | Yes |
| 10053 | Count gear II (aka 410352) | 15 | Lasercut | Yes |
| 10054 | Ferrule (aka 410353) | 15 | CNC Lathed | Yes |
| 10055 | Guide sleeve for transmission gears (aka 410354) | 15 | Lathe + Compression | Yes |
| 10056 | Guide sleeve for transmission gears | 1 | Lathe + Compression | Yes |
| 10057 | Setting knob | 8 | CNC Milled | Yes |
| 10058 | NRP (Non-Return Pawl) spring | 1 | Buy | Yes |
| 10059 | NRP shouldered screw | 1 | CNC Lathed | Yes |
| 10061 | Setting Shaft | 8 | CNC Lathed | Yes |
| 10062 | Lower housing ring | 1 | CNC Lathed | Yes |
| 10064 | Support column | 3 | CNC Lathed | Yes |
| 10065 | Reversing lever axle | 1 | CNC Lathed | Yes |
| 10066 | Reversing handle | 1 | CNC Milled | Yes |
| 10067 | Reversing plate | 1 | CNC Milled | Yes |
| 10068 | Step drum positioning cam | 1 | CNC Lathed | Yes |
| 10069 | Taper pin for step drum | 1 | CNC Lathed | |
| 10070 | Step drum positioning spring | 1 | CNC Milled | |
| 10071 | Locking ring | 1 | Lasercut | Yes |
| 10072 | Tens bell locking pin | 1 | CNC Lathed | Yes |
| 10073 | Setting knob spring | 8 | Buy | Yes |
| 10074 | Countersunk screws | 3 | CNC Lathed | Yes |
| 10075 | Guiding screw | 8 | CNC Lathed | Yes |
| 10076 | Drum plate 10 tooth | 1 | Lasercut | Yes |
| 10077 | Lower main casting | 1 | CNC Milled | Yes |
| 10078 | Drum plate 1 tooth | 5 | Lasercut | Yes |
| 10079 | Drum plate 9 tooth | 2 | Lasercut | Yes |
| 10080 | Drum plate 2 tooth | 6 | Lasercut | Yes |
| 10081 | Drum plate 8 tooth | 2 | Lasercut | Yes |
| 10082 | Drum plate 3 tooth | 6 | Lasercut | Yes |
| 10083 | Drum plate 7 tooth | 2 | Lasercut | Yes |
| 10084 | Drum plate 4 tooth | 6 | Lasercut | Yes |
| 10085 | Collar | 1 | CNC Lathed | |
| 10086 | Clearing plate spring | 1 | Buy | |
| 10087 | Drum plate 6 tooth | 2 | Lasercut | Yes |
| 10088 | Carriage ring | 1 | CNC Lathed | Yes |
| 10089 | Carriage cage | 1 | CNC Milled | Yes |
| 10090 | Drum plate 5 tooth | 5 | Lasercut | Yes |
| 10091 | Drum plate 1 tooth | 6 | Lasercut | Yes |
| 10093 | Clearing lever rivet | 1 | CNC Lathed | Yes |
| 10094 | Rivet washer | 1 | CNC Milled | Yes |
| 10095 | Spring housing | 1 | CNC Lathed | Yes |
| 10096 | Drum plate 9 tooth | 1 | Lasercut | Yes |
| 10097 | Circlip for count gear | 9 | Cut or buy | Yes |
| 10098 | Small distance spring | 1 | CNC Milled | Yes |
| 10099 | Clearing plate distance ring | 1 | CNC Milled | Yes |
| 10100 | Turns counter carry increment | 1 | CNC Milled | Yes |
| 10101 | Result counter carry increment | 1 | CNC Milled | Yes |
| 10102 | Tens bell insert ring | 1 | CNC Milled | Yes |
| 10103 | Tens bell insert ring | 2 | CNC Milled | Yes |
| 10104 | Turns counter carry reset ring | 1 | CNC Milled | Yes |
| 10105 | Turns counter lock ring | 1 | CNC Milled | Yes |
| 10106 | Result counter carry reset ring | 1 | CNC Milled | Yes |
| 10107 | Result counter lock ring | 1 | CNC Milled | Yes |
| 10109 | Trunnion screw | 1 | CNC Lathed | Yes |
| 10110 | Transmission gear spacer (aka 410356) | 1 | CNC Lathed | Yes |
| 10111 | Zero positioning disc | 1 | CNC Lathed | Yes |
| 10112 | Zero positioning roller | 1 | CNC Lathed | Yes |
| 10113 | Non Return Pawl | 1 | CNC Milled | Yes |
| 10114 | Zero positioning lever | 1 | CNC Milled | Yes |
| 10115 | Zero positioning lever spring | 1 | Buy | Yes |
| 10116 | Screw for zero positioning lever | 1 | CNC Lathed | Yes |
| 2037 | Screw for zero positioning lever (looks to be for type II) | 1 | CNC Lathed | |
| 10118 | Disc spring clip | 1 | Bend | Yes |
| 10119 | End plate | 1 | CNC Milled | Yes |
| 10120 | Tens bell support plate | 1 | Lasercut | Yes |
| 10121 | Non Return Pawl bushing | 1 | CNC Lathed | Yes |
| 2074 | Nut | 2 | Buy | Yes |
| 10124 | Container tightening ring | 1 | Buy | Yes |
| 10125 | Barrel of zero positioning lever | 1 | CNC Lathed | Yes |
| 10126 | Decorative cover for top of capsule | 1 | CNC Milled | Yes |
| 10129 | Carriage pressure ring | 1 | Lasercut | Yes |
| 10130 | Rubber cushion, large | 1 | Buy | Yes |
| 10131 | Rubber cushion, small | 1 | Buy | Yes |
| 10133 | C-clip | 1 | Lasercut | Yes |
| 10134 | Carriage turn stop pin | 1 | CNC Lathed | Yes |
| 10135 | Setting shaft bearing pin | 8 | CNC Lathed | Yes |
| 10136 | Setting shaft plates | 2 | Lasercut | Yes |
| 10137 | Retaining bushing, large | 1 | CNC Lathed | Yes |
| 10138 | Retaining bushing, small | 1 | CNC Lathed | Yes |
| 10140 | Guide sleeve for transmission gears (aka 410359) | 16 | Lathe + Compression | Yes |
| 10141 | Ferrule (aka 410360) | 17 | CNC Lathed | Yes |
| 10142 | Curved tooth racks | 2 | Lasercut | Yes |
| 10143 | Spacer for clearing plate | 1 | Lasercut | Yes |
| 10145 | Steel ball | 1 | Buy | Yes |
| 10147 | Main bearing sleeve bushing | 1 | CNC Lathed | Yes |
| 10148 | Cylindrical pin | 1 | CNC Lathed | Yes |
| 10149 | Cylindrical pin | 2 | CNC Lathed | Yes |
| 10150 | Cylindrical pin | 1 | CNC Lathed | Yes |
| 10152 | Split washer | 1 | Buy | Yes |
| 10153 | Shim washer | 1 | CNC Milled | Yes |
| 10154 | Internal serial number plate | 1 | CNC Milled | Yes |
| 10156 | Decorative plate for capsule | 1 | CNC Milled | Yes |
| 10158 | Baseplate design | 1 | CNC Milled | Yes |
| 10160 | Baseplate design II (Alternate drawing?) | 1 | CNC Milled | |
| 10161 | Retaining nut (Unused?) | 1 | CNC Lathed | |
| 10162 | Washer | 1 | Buy | Yes |
| 410367 | Taper pin | 1 | CNC Lathed | Yes |
| 10203 | Number dial I | 4 | ||
| 10204 | Number dial IIa | 7 | ||
| 10205 | Number dial IIb | 4 | ||
| 10206 | Tens bell | 1 | ||
| 10207 | Transmission axle with gear | 1 | ||
| 10208 | Transmission shaft | 12 | ||
| 10209 | Transmission shaft | 1 | ||
| 10210 | Main assembly | 1 | ||
| 10211 | Reversing handle assembly | 1 | ||
| 10212 | Complete setting shaft | 1 | ||
| 10213 | Step drum | 1 | ||
| 10214 | Main shaft | 1 | ||
| 10215 | Lower housing | 1 | ||
| 10216 | Transmission shaft | 1 | ||
| 10218 | Triple count gear assembly | 1 | ||
| 10219 | Double count gear assembly | 1 | ||
| 10220 | Tens gear/locking assembly | 15 | ||
| 10221 | Non-carry locking assembly | 1 | ||
| 10222 | Non-carry locking assembly (Long) | 1 | ||
| 10223 | Main shaft | 1 | ||
| 10224 | Non return pawl assembly | 1 | ||
| 10225 | Zero positioner lever | 1 | ||
| 10226 | Carriage casting | 1 | ||
| 10227 | Upper main body with tens bell | 1 | ||
| 10228 | Capsule assembly | 1 | ||
| 10229 | Main bearing sleeve | 1 | ||
| 10230 | Single count gear assembly | 15 | ||
| 10231 | Lower main casting assembly | 1 | ||
| 10232 | Assembly step I | 1 | ||
| 10233 | Assembly step II | 1 | ||
| 10234 | Assembly step III | 1 | ||
| 10236 | Transmission shaft, IV | 12 | ||
| 10237 | Transmission shaft, I | 1 | ||
| 10238 | Transmission shaft, II | 3 | ||
| 10239 | Transmission shaft, III | 1 | ||
| 10240 | Setting handle complete assembly | 8 | ||
| 10241 | Reversing switch complete assembly | 1 | ||
| 10242 | Plastic crank | 1 | ||
| 10243 | Carriage assembly step I | 1 | ||
| 10244 | Clearing plate | 1 | ||
| 10245 | Crank handle | 1 | ||
| 10246 | Zero positioner | 1 | ||
| 10247 | Clearing plate with pressed segments | 1 | ||
| 10248 | Upper main body with pins | 1 | ||
| 10249 | Baseplate assembly | 1 | ||
| 10250 | Setting handle with guide screw | 8 |





