In 1939 it moved into modern accommodation (by E.P. Wheeler) that it shared with St Martin's School of Art. The school was eventually amalgamated into the London College of Communication and decamped to Elephant and Castle, and the building was converted for Foyle's bookshop.
The door was decorated with eight carved panels by Adolfine Ryland, mainly remembered as an artist and printmaker.
The panels show occupations that are now as dead as tallow chandlers or cordwainers. Top left, a draper's assistant draws fabric from a bolt of cloth. Top right, a grocer's assistant puts lids on jars.
The trades that still exist are centre left and right, where window dressers work with lay figures.
The young man on the left wrestles with a torso, while the lady on the right adjusts a wig on a head.
But what a contrast with today's window dressers, who wear jeans and T-shirts - these butterflies are in full formal wear, and their hair is styled, dressed and held in place with regimental discipline.
But women's employment was changing too. The seamstress at her sewing machine is doing a job regarded as suitable for underpaid girls since forever, of course, but the cashier examining a ledger at her desk (at the top of the post) is doing a responsible job that many men would have regarded women as too irresponsible and featherheaded to do just a few decades earlier.