Glass continued

This is from a replacement door window on an XB four door.

You can see that there is a printed dot above the ‘O’ in ARMOURGLAS, and that ARMOURGLAS is spelt with one ‘S’. This is to allow there to be ten letters in the word, and each letter corresponds to a year in the decade. The years number from the first letter, so, ‘A’ would be 1971, for example; ‘B’ would be 1972, and so on. The decades also roll back around on themselves, so that the last letter, ‘S’ is also the year 1970.

You can also see that there is a printed dot under both the words ‘APPROVED’ and ‘ASRI’. The dots under the first four letters of ‘APPROVED’ mean the four quarters of the year; A = Jan-Mar, P = Apr-Jun, P = Jul-Sept and R = Oct-Dec. Hence the glass above was originally - and originally is an important consideration - struck in the second quarter of 1974, for fitting to an XB Falcon.

The dots under the ‘ASRI’ signify the month within the quarter, and use the ‘SRI’ letters. Hence, in the above glass, the letter under ‘S’ in the ‘ASRI’ indicates the first month of the quarter.

To sum up, the glass pictured above was struck in the first month of the second quarter of 1974, in other words, April, 1974.

The glass above was sourced from Australia to be fitted to an XB that was originally exported to New Zealand.