- 455 Martinson, Los Angeles
- 8 (043) 567 - 89 - 30
- support@email.com
Search my slide rule collection
Search by maker
Search by keyword
Search papers
Interested in finding out more out about such calculating wonders?
Then try one of the slide rule related articles (often light-hearted) I have published.
Go to the search papers page.
Search results: Click on any Model listed in the leftmost column (or its image) for the full specification OR hover over its "Thumbnail" image (if shown) for a pop-up enlargement
| You searched for: LOGA Calculator A.G. | |||||
|---|---|---|---|---|---|
| Model | Type | Material | Comments | Thumbnail | |
| 15m (ver. E) | Desktop Basic long-scale | metal/paper | Serial No. 155202 (“15” correlates to scale length & “5202” = no.) + version “E” = Einfach/elementary |
|
|
| 2.4m (ver. E) | Desktop Basic long-scale - yellow | metal/paper | Serial No. 2237 (possibly correlates to overall scale length) + version “E” = Einfach/elementary |
|
|
| 30E (ver. 2) | Basic | metal/paper | Model suffix “E” = Einfach/elementary - budget 3-spoke metal backplate - see also bigger sibling |
|
|
| 30RC (ver. 2) | Business | metal/paper | Serial No. 65 + model suffix “R” = with reciprocal scale & “C” = commercial + turning lever - try out here the online simulation created by Andries de Man |
|
|
| 30RZh | Retail/Conversion | metal/paper | Serial No. 0289 + model suffix “R” = with reciprocal scale, “Z” = extra Zins/interest scale & “h” = with turning lever - see also bigger sibling |
|
|
| 30sR (ver. 2) | Basic+ | aluminium/paper | Model suffix “s” = lightweight construction & “R” = with reciprocal scale + back anodised brass colour & serrated/knurled edge to disc |
|
|
| 30sT (ver. 1) | Technical | metal/paper | Model suffix “s” = lightweight construction & “T” = Technisch/technical scales + budget 3-spoke metal backplate - see also bigger sibling |
|
|
| 30Tt/360º | Technical | metal/paper | Serial No. 64207 + model suffix “T” = technical scales & “t” = with trig scales + black turning lever - try out here the online simulation created by Andries de Man |
|
|
| 30Tt/360º | Technical - early | metal/paper | Serial No. 1659 + model suffix “T” = technical scales & “t” = with trig scales + grey turning lever - try out here the online simulation created by Andries de Man |
|
|
| 7.5m (ver. E) | Desktop Basic long-scale - white | metal/paper | Serial No. 751030 (“75” correlates to scale length & “1030” = no.) + version “E” = Einfach/elementary |
|
|
| 75 Praezision 6400 A 0/00 | Desktop Military Artillery/Stadia Topography | aluminium/paper/bakelite | Serial No. 82 with sin, cos & tan scales calibrated in 6400 NATO Mils favoured by the military + sin & cos scales are divided into 4 subscales + see also smaller siblings |
|
|
| 75E | Desktop Basic long-scale | aluminium/paper/bakelite | Model suffix “E” = Einfach/elementary - see also smaller sibling - try out here the online simulation created by Andries de Man |
|
|
| 75EA | Desktop Basic/Monetary/Conversion long-scale | aluminium/paper/bakelite | Serial No. 3474 + model suffix “E” = Einfach/elementary & “A” = additional scales for GBP & imperial/metric conversions - try out here the online simulation created by Andries de Man |
|
|
| 75RZ (ver. 2) | Desktop Retail/Conversion long-scale | aluminium/paper/bakelite | Serial No. 4100 + model suffix “R” = with reciprocal scale & “Z” = extra Zins/interest scale - see also smaller sibling |
|
|
| 75T | Desktop Technical long-scale | aluminium/paper/bakelite | Model suffix “T” = Technisch/technical scales + more accurate later addition to product range marketed to both schools & commerce - see smaller sibling - try out here the online simulation created by Andries de Man |
|
|
| K150d | Pocket Technical/Business Rietz-like | aliminium/cardboard | Model prefix “K” = Kaufmann/merchant & suffix “d” = Duits/German version + unusually separate slide for each side of closed frame i.e. front (yellow slide) for business use & back (green slide) for technical use + many currency gauge points on front face/cursor + adjoined CI/% = ½ length scales + table of gauge points abbreviations in front well + table of constants in well on back - see also bigger sibling |
|
|
| K300d | Technical/Business | aliminium/cardboard | Model prefix “K” = Kaufmann/merchant & suffix “d” = Duits/German version + unusually specific slide for each side of closed frame i.e. front (yellow slide) for business use & back (green slide) for technical use + many currency gauge points on front face/cursor + adjoined CI/%/§ on front = mini scales + table of gauge points abbreviations in front well + % scale on back = 2-part - see smaller pocket sibling |
|
|
| Topo 6400 A 0/00 (ver. 2) | Military Artillery/Stadia Topography - early | metal/paper | Serial No. 195 exclusively made for Swiss Army for artillery based azimuth calculations - two inner scales on front calibrated for 6400 A ‰ or NATO Mils (A ‰ = 2 x 3200) + see also larger sibling |
|
|
| Topo 6400 A 0/00 (ver. 3) | Military Artillery/Stadia Topography | metal/paper | Serial No. 1119 exclusively made for Swiss Army for artillery based azimuth calculations - two inner scales on front calibrated for 6400 A ‰ or NATO Mils (A ‰ = 2 x 3200) + see also larger sibling - try out here the online simulation created by Andries de Man |
|
|
| Wetter (30E) | Basic | metal/paper | Specially commissioned 30E for advertising by Zurich-based Wetter - budget 3-spoke metal backplate |
|
|
