Dobson himself identified the characteristic features of the design as lightweight objective mirrors made of porthole glass, and mountings constructed from plywood, Teflon strips and other low-cost materials.
Leaning against the bulkhead next to the porthole to help support the weight of his body and his equipment, he studied the spiderweb of cracks in the armored porthole glass.
Studying her reflection in the porthole glass, Marit was forced to admit that the dress was perfect camouflage.
The porthole glass would shatter and.
They were only shadows cast by the sickly red light, through water drops on the porthole glass.
"And the porthole glass, and the chemistry of that root."
Pulsit pushed open a porthole glass and shouted.
Two hours I lay there staring at that black, rain-streaked porthole glass.
She slammed a fist into the porthole glass.
They showed as a blur beyond the bows in moments when the wind whipped the porthole glass clean as polished crystal.
