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Part 108: Corner Gusset

 
108Corner Gusset 1918-864N°8'Architrave' pre-war

The parts

A range of corner gussets from 1918 to 1977, no changes to the part
Loading picture Cornergussets

Chronological variations

The nonexistent round-hole architrave, from December 1919 price list
Loading picture Oldarchitrave As can be seen from the picture at the top, the corner gusset didn't change in design at all from the first nickel version to the last French one in the 1990's.  It was originally called an Architrave, and the picture to the right is one of many in the early manuals and parts lists that shows a version with a circular hole in the middle.  This part is even visible in some models of the era, but it is almost certain that this version was never produced.

The old photograph (presumably of a prototype part) continued in price lists and parts lists until at least 1920, which is a good example of how careful you have to be with Meccano literature.

Not a Meccano part, this is a Primus equivalent
Loading picture Cornergussetprimus

Variations and oddities

Here's a common one – something that looks surprisingly like the original style of Architrave announced in the Meccano Magazine and shown in the early price lists.  In fact, this part is Primus Engineering, and predates Meccano's introduction of the Architrave.  It's fairly common in early Meccano collections, and often confused for the early Meccano part.

Personally, I wonder whether Meccano copied this part fairly closely from Primus, and made prototypes for their early models and manuals.  Did they modify the production design to avoid trouble from Primus?

Dealer spare parts boxes

Pack of medium green corner gussets, around 1950
Loading picture Cornergussetspareparts

The photo to the right shows a dealer pack of six corner gussets, in medium green.  The label doesn't have the newer five-digit product code, which dates it before 1954.  It is thought that the sharp-cornered diamond dates from 1950 or before – later ones have rounded corners. 

Outfit 8 (the first to include the corner gusset) was available in 1947, and so the parts are most likely from between these two dates.

Individual part numbers

Part numbers for the parts on this page are as follows:    Unique part numbers
For identification, each variation has been given a suffix to the main Meccano part number. These suffixes consist of a two-character code for the colour, and if there are many variations, a further number and sometimes letter code to identify each variation. See the bottom of the 'Parts' page for further details.

You don't need to worry what the codes are, just click on any one for a photograph.

The button above turns on and off the display of DMS numbers (where they are known). The DMS (Development of the Meccano System, Hauton and Hindemarsh) published in 1972 and added to in 75 and 82, suggested part numbers for every variation of every Meccano part. These numbers aren't perfect, but they are recognised and also referenced in the EMP (Encyclopedia of Meccano Parts, Don Blakeborough).

More about bosses More about stampings More about paint colours
Descriptionfrom108
Nickel plated18.ni
Early red (pea-red)26.re
Dark red27.dr
Dark green ¹30?.dg
Medium green33.mg1
Gold34.go
Medium green (post-war)48.mg
Light green58.lg
Silver painted64.si
Zinc plated66.zn
Dark blue78.db
Zinc plated (French)18.zn1
ALL
Note:¹   This part changed from dark red to dark green at some point in the dark red/green period, in the same way as the small triangular plate part 77. Some dark red parts are found stamped MFEA, dating them from early in this period.  Dark green ones appear to be found only stamped Meccano, taking them to the end of the period. 

Please send us pictures of missing parts! Hints and tips for pictures
Take a picture of the part in very good light, preferably on a plain yellow background, without a flash but with a tripod.
Ideally, trim the picture to about 150 pixels per inch of the Meccano part (unless the part is particularly big or small), save it as a reasonably good quality jpg file with a filename of exactly the part number, for example 19b.ni1.jpg, and email it to us by clicking on 'Contact us' at the top of the page. Thanks!

Further information

Nick Smith      (at 11:54am, Mon 17th Mar, 14)

I assume 18, in the from column of Individual Part Nos, for French zinc is a typo - Calais wasn't open, 81 perhaps?

Thomas Lawry      (at 9:32pm, Mon 5th Oct, 09)

Charles. Did this part form the basis for the "Flanged brackets, RH & LH";- p/nos. 139 & 139a?

Reply: I believe you're right -- the parts are identical but with a fold in them. We shall find out when we get to part 139!

Rick Moore      (at 1:26pm, Fri 23rd May, 08)

Have a look at these corner gussets on sale with ebay now. Item number: 200224827845

Reply: A good spot -- these are in fact Primus Engineering parts. An example of a part copied by Meccano, since Primus had this part from around 1913 in this form. Trunnions too were copied from Primus. Interesting to see that Meccano's picture looks very like the Primus part, but the actual production part was changed. Was Meccano threatened with legal action? Or was it just being careful?


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