The two withdrew to the door. Invisible, at the foot of the stairs, could be heard the family, existing.

"Haven't seen much of lithography, eh?" said Edwin, in a voice discreetly restrained.

Ingpen, ignoring the question, murmured:

"I say, you know this place is much too hot."

"Well," said Edwin. "What do you expect in August?"

"But what's the object of all that glass roof?"

"I wanted to give 'em plenty of light. At the old shop they hadn't enough, and Karl, the Teuton there, was always grumbling."

"Why didn't you have some ventilation in the roof?"

"We did think of it. But Johnnie Orgreave said if we did we should never be able to keep it watertight."

"It certainly isn't right as it is," said Ingpen. "And our experience is that these skylighted rooms that are too hot in summer are too cold in winter. How should you like to have your private office in here?"