SP had ONE Wootten camel. It was built for the Sonora Ry, later part of the SP d M
THere are a few pix about- I know of 3. The most well known is in Dunscomb's 'Century of SO Steam Locomotives', It's a classic broadside taken on the table at the old LA roundhouse.
That site is now a part of Cornfield Park . I believe the 8x10 glass plate is back in the hanf the Pacific Coast Chapter, R&LHS. A second, oblique, view is in Strapac's SP STeam Locomotive Compendium. THe third is the builder photo. The neg is at the PA RR museum { it's in the list anyway], via Broadbelt.
The Wootten firebox was tried by several western RRs to burn several kinds of coal including bituminous fines and lignite. The original intent of John Wootten was to burn "Dirt Coal" or culm that was piled around the anthracite breakers. Wootten took his 4-6-0 to the 1878 exhibition in PAris [? ] then it was tried on a coupla French Rys and with lignite on the Haute Italien Ry before returning to the US with its cab in the now familiar position

as for the mystery swither tender query. SP used slope-back, Vanderbilt, modified the oil tank for better vision on Vanderbilts and a few "sausage" tenders. CRIP rebuilt Vanderbilts by taking the cylindrical water tank top and adding sides that sloped out and down to the frame- EPSW may have also done and maybe a example came to SP ,,,,,,

BUt I second the motion- what does the OP actually mean?