This was Jack. Apparently that was just what Madge was endeavouring to do, in vain.
"It won't move. It's stuck--or something."
Mr. Graham advanced.
"Allow me, perhaps I may manage."
She ceded to him her position. He placed his huge hand where her smaller one had been. He endeavoured his utmost to induce the panel to make a further movement.
"Put your fingers into the opening," suggested Jack, "and lever it."
Graham acted on the suggestion, without success. He examined the panel closely.
"If it were ever intended to go higher, the wood has either warped, or the groove in which it slides has become choked with dust."
Ella was peeping through the opening.
"There is something inside--there is, I don't know what it is, but there is something--I can see it. Oh, Mr. Graham, can't you get it open wider!"