This is a full-keyboard direct action calculator for Sterling currency calculations. Manufactured about the 1950's to early 1960's .Made by Bell Punch Co. Ltd. in Britain, distributed by Sumlock Ltd. The farthing ceased being legal tender in Britain in the early 1960s.
Added:
18th May 2009 by Diane Earl
Subjects:
History, ICT, Science
Key Stages:
Key Stage 2, Key Stage 3, Key Stage 4, Key Stage 4+
EXIF data:| FILE |
| FileName | img_0738.jpg |
| FileDateTime | 0 |
| FileSize | 4802238 |
| FileType | 2 |
| MimeType | image/jpeg |
| SectionsFound | ANY_TAG, IFD0, THUMBNAIL, EXIF, INTEROP |
| COMPUTED |
| html | width="3454" height="2549" |
| Height | 2549 |
| Width | 3454 |
| IsColor | 1 |
| ByteOrderMotorola | 0 |
| CCDWidth | 18mm |
| ApertureFNumber | f/4.5 |
| UserComment | |
| UserCommentEncoding | UNDEFINED |
| Thumbnail.FileType | 2 |
| Thumbnail.MimeType | image/jpeg |
| IFD0 |
| Make | Canon |
| Model | Canon EOS 450D |
| Orientation | 1 |
| XResolution | 720000/10000 |
| YResolution | 720000/10000 |
| ResolutionUnit | 2 |
| Software | Adobe Photoshop Elements 5.0 Windows |
| DateTime | 2009:05:18 16:39:20 |
| YCbCrPositioning | 2 |
| Exif_IFD_Pointer | 228 |
| THUMBNAIL |
| Compression | 6 |
| XResolution | 72/1 |
| YResolution | 72/1 |
| ResolutionUnit | 2 |
| JPEGInterchangeFormat | 1090 |
| JPEGInterchangeFormatLength | 5838 |
| EXIF |
| ExposureTime | 1/60 |
| FNumber | 45/10 |
| ExposureProgram | 2 |
| ISOSpeedRatings | 400 |
| ExifVersion | 0221 |
| DateTimeOriginal | 2009:02:25 11:15:01 |
| DateTimeDigitized | 2009:02:25 11:15:01 |
| ComponentsConfiguration | |
| ShutterSpeedValue | 393216/65536 |
| ApertureValue | 286720/65536 |
| ExposureBiasValue | 0/1 |
| MeteringMode | 5 |
| Flash | 9 |
| FocalLength | 37/1 |
| UserComment | |
| SubSecTime | 68 |
| SubSecTimeOriginal | 68 |
| SubSecTimeDigitized | 68 |
| FlashPixVersion | 0100 |
| ColorSpace | 1 |
| ExifImageWidth | 3454 |
| ExifImageLength | 2549 |
| InteroperabilityOffset | 964 |
| FocalPlaneXResolution | 4272000/878 |
| FocalPlaneYResolution | 2848000/584 |
| FocalPlaneResolutionUnit | 2 |
| CustomRendered | 0 |
| ExposureMode | 0 |
| WhiteBalance | 0 |
| SceneCaptureType | 0 |
| INTEROP |
| InterOperabilityIndex | R98 |
| InterOperabilityVersion | 0100 |
[ 1 ] 
[
Sumlock 912/F Sterling Currency Calculator with Farthings keys.
