MOESSARD  & WILLIAM H. RAU
PAGE TWO   BY THOMAS YANUL, COPYRIGHT

ABOVE - RAU (LEFT) WITH HIS PAN CAMERA SPECIAL BACK,
WHICH GIVES A FLAT FILM WIDE FIELD VIEW. IF THE SAME 15" LENS
WAS USED FOR THE FLAT BACK FILM (OR POSSIBLY PLATE) ITS
NOT CERTAIN YET WHAT THE ANGLE OF VIEW WAS.
COPIES OF THESE TWO PHOTOS AND OTHERS
WERE SENT TO ME BY WILLIAM RAU HADEN, RAU'S GRANDSON

RAU AT NIAGERA FALLS WITH HIS PAN CAMERA,
A MODIFICATION OF THE MOESSARD CAMERA,
SUPPOSEDLY 18X48" NEGATIVE.
AS A SWING LENS CAMERA BUILDER,
I HAVE RESERVATIONS ABOUT THE CLAIM BY RAU
THAT THE IMAGE COVERED OVER 165 DEGREES.
THE LENS AS SHOWN IN THE PHOTO IS ACTUALLY
LOCATED OUTSIDE OF THE 180 DEGREE ARC
OF THE THE CAMERA WHICH MEANS IN MY
ESTIMATION THAT THE ACTUAL VIEW INCLUDED
ON THE NEGATIVE WOULD BE MUCH LESS  THAN
ADVERTISED. THESE IMAGES STILL NEED SOME
REFERENCE WORK TO FIGURE OUT THE ANGLE.
DESPITE SUCH DIFFERENCES, I CONSIDER RAU
ONE OF THE MORE IMPORTANT FIGURES IN THE
RECORDING OF AMERICAN AND FOREIGN HISTORIES.

RAU PENNSYLVANIA RR PHOTO CAR, #2784, THOUGH REAR OF PRINT STATED #9373
POSSIBLY ENGINE NUMBER ?  MOST LIKELY 1892 IN PENNSYLVANIA, AREA OF
SWITCHBACK PHOTO. PROBABLY SHOT FOR PRR CHICAGO COLUMBIAN EXPO EXHIBIT.
RAU IS SETTING UP PAN CAMERA WITH WIDE FIELD FLAT PLATE BACK.
PHOTO COURTESY WILLIAM RAU HADEN.
BELOW - CLOSER SHOT OF RAU AND CAMERA
AGAIN SHOWN WITH THE FLAT PLATE WIDE FIELD ADAPTER IN PLACE

DETAIL OF RAU PAN CAMERA FRONT
APPEARS TO HAVE A RISE AND FALL,  
AND WHAT APPEARS TO BE A PACKARD
TYPE SHUTTER ?