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HO Scale Model Trains Database

Engines, Rolling Stock, Structures, and Accessories

At the 1935 Leipzig Spring Fair, an electric tabletop railway, Trix Express, was displayed to a gauge described as "half nought gauge", which was then abbreviated as gauge 00 ("nought-nought"). Märklin, another German firm, followed suit with its 00 gauge railway for the 1935 Leipzig Autumn Fair. The Märklin 00 gauge track that appeared more than ten years after Bing's tabletop railway had a very similar appearance to the previous Bing track. On the Märklin version, however, the rails were fixed to the tin 'ballast' as in the prototype, whilst the Bing tracks were simply stamped into the ballast, so that track and ballast were made of single sheet of metal.

According to the National Model Railroad Association (NMRA) standard S-1.2 predominantly used in North America, in HO scale, 3.5 mm (0.1378 in) represents 1 real foot (304.8 mm); this ratio works out to 1:87.0857142, usually rounded to 1:87.1. According to the MOROP standard NEM 010 predominantly used in Europe, the scale is exactly 1:87. In HO, rails are spaced 16.5 mm (0.64961 in) apart which models the standard railroad gauge of 1,435 mm (4 ft 8 in).

The name HO comes from 1:87 scale being half that of O scale, which was previously the smallest of the series of older and larger 0, 1, 2 and 3 gauges introduced by Märklin around 1900. In most English-speaking markets it is pronounced "aitch-oh" and written with the letters HO today, but in other markets remains written with the letter H and number 0 (zero), so in German it is pronounced as "hah-null".
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Total items in collection: 1272. Total items on page 15

First or Primary Gallery Image Brand/Importer Stock Number Road/Company Name Road Letters/Reporting Mark Road/Reporting Number Prototype Original Retail Price Average Sale Price Release Date ID
Busch 1000 Painted/Unlettered $71.99 E:$9.22 118834
Busch 1002 Painted/Unlettered $51.99 118833
Busch 1010 Painted/Unlettered UFO Flying Saucer $41.98 E:$35.00 H:$127.67 118832
Busch 1025 Painted/Unlettered Glass Enclosed Indoor Swimming Pool $43.99 E:$36.99 H:$317.52 118831
Busch 1153 Animals $11.99 E:$9.00 H:$10.95 118807
Busch 1154 Painted/Unlettered Aircraft, North American $15.99 118806
Busch 1155 Painted/Unlettered Aircraft, North American $15.99 H:$16.99 118805
Busch 1193 Painted/Unlettered Wolves $29.99 E:$17.17 118804
Busch 44500 Painted/Lettered Bus, GM New Look $30.99 E:$27.50 H:$23.84 2005-11-01 118074
Busch 44501 Painted/Lettered Bus, GM New Look $35.99 H:$28.05 2015-11-01 118075
Busch 44509 Painted/Lettered Bus, GM New Look $38.99 2015-11-01 118076
Busch 44510 Painted/Lettered Bus, GM New Look $39.99 H:$35.95 2015-11-01 118077
Busch 44535 Painted/Lettered Bus, GM New Look $37.99 E:$27.00 2013-03-01 118078
Busch 44550 Fire and Rescue Bus, GM New Look $35.99 118079
Busch 7873 Scenery 7798 E:$39.50 165790