Models of rubric: Others Model 338 2 stereoscopes Model 344 4 red-green glasses for stereoscopic vision Model 444 Mimic Instant Shape Tracer Model 488 Model of mechanical counters in number systems with the base 2, 4 and 10 Model 530 Two logarithmic circles according to Mehmke Model 539 Kartometer from Tesdorpf-Fleischhauer Model 541 Curvimeter Model 860 Dependency of the crop harvest of two growth factors Model 882 Model 892 Two model kits "Sphinx" Model 899 Zeiss stereoscope Model 929 15puzzle Model 1340 Slide: Construction of a solar clock Model 1521 Slide: Geodetic instrument Model 1522 Slide: Geodetic instrument Model 1523 Slide: Geodetic instrument Model 1526 Slide: Geodetic instrument Model 1527 Slide: Geodetic instrument Model 1561 Slide: N-T1 and N-T2 yield curve for oat Model 1562 Slide: N-T yield curve for oat Model 1563 Slide: Part gain laws for oat Model 1564 Slide: N-T yield curve at different growth times Model 1565 Slide: t-yield curve at different N- donation (oat) Model 1566 Slide: N-t-yield curve for oat Model 1567 Slide: N-yield curve for aspergillus niger. Model 1568 Slide: Biochemical yield curve Model 1569 Slide: t-N1, t-N2 and t-N3-yield curve for aspergillus niger. Model 1570 Slide: yield curve Model 1571 Slide: yield curve Model 1572 Slide: yield curve Model 1573 Slide: Threshold time as function of the temperature of aspergillus niger Model 1574 Slide: Half-life as function of the temperature of aspergillus niger Model 1575 Slide: Maximum value time as function of the temperature of aspergillus niger