This is The Spider for November 1936, cover artist unknown. I found this version of the cover at Pulp Covers.
Pulp Parade #214: Two repulsive fates at once
Tag Archives: pulp art
Pulp Parade #213: Girl roaster 1
This is The Spider for September 1936, cover artist unknown. Found via the index at Galactic Central.
Pulp Parade #212: Worst tanning salon ever
This is The Spider for August 1936, artist John Newton Howitt. I found this version at Pulp Covers.
Pulp Parade #211: Your…scalpel…is so big
This is The Spider for July 1936, cover artist unknown. I found it via this pulp/bondage index.
Pulp Parade #210: Industrial-scale girl fishing
This is The Spider for May 1936, cover artist unknown. I found this version of the image in this pulp/bondage archive.
Pulp Parade #209: Another over-elaborate killing machine
This is The Spider for February 1936, artist unknown. I found this version of the image in this pulp/bondage index.
Pulp Parade #208: No villain is complete with a flaming pit
This is The Spider for August 1935, cover artist unknown. I found this version of the cover via the index at Galactic Central.
Pulp Parade #207: Test tube of doom
This is The Spider for April 1935, cover artist unknown. I found this version of the cover via the index at Galactic Central. This slightly larger version of the cover can be found at Vintage Pulps.
Pulp Parade #206: The mad horde
This is The Spider for May 1934, artist unknown. Found via the index at Galactic Central.
Pulp Parade #205: In the coils
This is The Spider for April 1934. I found it at Wikimedia Commons but don’t know who did the cover.