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Search results: Click on any Maker listed in the leftmost column for that model's full specification OR hover over its "Thumbnail" (if shown) for a pop-up enlargement of the image
| You searched for: demonstration | |||||
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| Maker | Model | Type | Material | Comments | Thumbnail |
| A.W. Faber-Castell | 310/52 | Demonstration OHP School D-stab/Log-Log | clear & coloured plastic | Overhead projector version for model 52/82 |
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| A.W. Faber-Castell | 310/87 | Demonstration OHP School Rietz | clear & coloured plastic | Generic overhead projector version for Rietz models |
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| A.W. Faber-Castell | 310/88,89 | Demonstration OHP School Rietz-N/Log-Log | clear & coloured plastic |
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| A.W. Faber-Castell | 334/52 | Demonstration School D-Stab/Log-Log | wood/painted | Classroom version of model 52/82 |
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| A.W. Faber-Castell | 334/87 | Demonstration Rietz | wood/painted | Classroom version for all models with Rietz scale layout |
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| AHREND (Wed. J. Ahrend & Zoon) | (P281) | Demonstration Rietz | wood/celluloid veneer | made by unknown 3rd party for Hemmi models P280/P281 - Rietz layout but all scales on front face |
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| ALRO (All-Round) | PTT RADIOLOGISCHE (AC-7.02a) | Radiation | plastic | Slide rule/slide chart for calculating radioactive doses & intensities from a 1978 patented design (US4117315) from C.G.F. Amy & K.K. Keimpema+ issued as 4/8/1075/76346 by PTT = Posterijen, Telegrafie en Telefonie or old Dutch post, telegraph & phone company + see also large demonstration sibling |
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| ALRO (All-Round) | PTT RADIOLOGISCHE (AC-7.02b) | Demonstration Radiation | plastic | Slide rule/slide chart for calculating radioactive doses & intensities from a 1978 patented design (US4117315) from C.G.F. Amy & K.K. Keimpema+ issued as 4/8/1075/76346 by PTT = Posterijen, Telegrafie en Telefonie or old Dutch post, telegraph & phone company + see also smaller but not small sibling |
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| Aristo | 101 Junior | Demonstration OHP School/Technical | clear & coloured plastic | Overhead projector version for model 0901 - see also Classroom version - Junior = range for high schools |
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| Aristo | 168 Studio | Demonstration OHP Technical/Log-Log | clear & coloured plastic | Overhead projector version for models 868 & 0968 - Studio = range for more technical disciplines |
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| Aristo | 206/1&2 BiScholar | Demonstration School 35mm Slide Projection Set | transparent plastic/metal | 44nd anniversary gift from Ros - boxed set of two lantern slides specifically for manual feed 35mm photographic slide projector - BiScholar = range where a Sine scale is included on stock & on slide - demo version of 0906 |
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| Aristo | 301 Junior | Demonstration School/Technical | metal/plastic | Later Classroom version for model 0901 - see also OHP version - Junior = range for high schools |
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| Aristo | 303 LL Scholar | Demonstration School/Log-Log | metal/plastic | Later Classroom version for model 0903 LL - Scholar = general schools range |
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| Aristo | 99 | Demonstration/Display Rietz | plastic | 100% Geretsried made dummy - slide does not slide - “Ausstellugsmuster” on back |
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| Aristo | 99 | Demonstration/Display Rietz - early | plastic | 100% dummy - slide indented but does not slide - “Ausstellugsmuster” on back |
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| Graphoplex | 1614 | Demonstration School Log-Log | plastic/wood | Does not have cm top edge scale on standard 25cm 1614 |
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| Graphoplex | Panneau Publicitae | Demonstration/Display Log-Log | plastic | 100% dummy - scale layout printed on sheet of plastic as shop window advertising item - also made half-size version |
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| Hemmi | 101A | Demonstration Enhanced Mannheim | wood/painted | Classroom version for models 40RK & 43A - Sun was added later as company logo |
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| Nestler | 0203 Alpha | Demonstration Rietz two-tone | wood/painted | Instruction rule for model 0251 - Rietz layout but all scales on front face |
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| Nestler | 24b | Extra long Desktop Rietz long-scale | wood/celluloid veneers | Not demonstration type but 10f only 4 engine-divided (only maker capable of desktops >50cm) + early production year from 1908-1911 style of company name - read more .... |
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| Nestler | 24R/1 | Extra long Desktop Rietz long-scale | wood/celluloid veneers | Not demonstration type but 1 of only 4 engine-divided 100cm models (only maker capable of engine dividing desktops >50cm) |
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| Staedtler-MARS | 544 A AV | Demonstration OHP Technical | plastic | Unusual choice of scales & layout - only other known examples are from Japanese makers - overhead projector version for model 544 A |
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| Tiger Toys | Durford | Demonstration Mannheim | wood/plastic verneers | Smaller of two models made & name comes from Durford Mill where the company was located + accurate for a demo rule having 4 spring-loaded tensioning metal balls in bottom slide track |
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| Unknown | RG-44 | Demonstration Military Artillery Range Finding - System Grigorovich | wood/plastic | Made for NVA 266 & 256 = German Nationale Volksarmee Infantry Division - instruction model for field version of RG-44 |
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