Hi Gary, I have an interest in NYC&HR cars, specific HO scale. Please send me your literature about the cars. Best regards, Lars.

Group, Calcium ion, in combination with bicarbonate and carbonate ions. is the the species that causes water to be "hard". Water that contains high concentration of calcium ion, and bicarbonate or car

________________________________ Sent: Tuesday, May 15, 2018 1:58 PM To: main@RealSTMFC.groups.io Subject: Re: [RealSTMFC] Boxcar identification help requested

Group, Calcium carbide is the substance for making acetylene. Water plus calcium carbide yields acetylene. Acetylene is unstable in high pressure oxygen and, therefore, containers of calcium carbide m

It had to be epoxy. Glass is soluble in caustic soda (sodium hydroxide).

Roger, You can find his catalog at k4 pacific when you google it. Lars.

Dear Jim, Well said. Best regards, Lars.