Show THINGS scientific the gentit no ruby Is tho the puro pitro crystalline variety of conini corun luin duin finery lio file abrabdo abra bho Is an impure form of corundum an ali electrically driven machine stumps anti ant senis seals letters the letters tire lire fed in ili tit nt tile lie left and deposited in tile lie receiving rack A noly newly patented camera indicates the lie number of exposures made by means of a tint dial instead ln 0 of tile lie usual red window andow in ili tile back linings for automobile cushions liap have been invented that can bo be inflated tt to who take tile the place ot 0 springs and padded upholstery small enough to be carried in a vest it pocket a new check protector perforates perr orates figures iturea in ili checks checki and tills the lie perforations with colored ink A new headlight dimming switch for automobiles Is operated by n drivers foot so po that lint lie he does not anva to amoe n hand from the steering wheel tt heel t scientists nt at yale university tire are perfecting tin nn which holcli Is expected to reduce the benth rate from corhon carbon monoxide electric shock andi and drowning |