In a medium to large saucepan combine onions, celery & potatoes. Pour clam juice over vegetables. Add enough water to barely cover vegetables. Bring to boil then reduce heat to medium & simmer until potatoes are tender (approximately 20 minutes).
Meanwhile, in a small sauce pan, melt butter. When melted, add flour, blend & cook for 2 minutes. Add half & half & cook, stirring until smooth & creamy. Drain vegetables, reserving liquid. Return vegetables to saucepan. Add clams & sauce mixture. Heat thoroughly (add reserved cooking liquid to make consistency to your taste.
Hard boil the eggs. When done, set aside to cool. This can be done ahead of time.
Lightly wash the unpeeled potatoes to remove any loose dirt. Place the potatoes in a clean plastic grocery bag. Loosely tie the bag once & cut a small slit in the bag about half way down. Cook the potatoes in the microwave for 15 minutes on high. When you think they're done, stick a fork in and it should slide out easily and smoothly when done.
When the potatoes are done remove them from the bag carefully as they'll be hot. Using a sharp knife, peel the loose skin from the potatoes. Cut up or dice the potatoes & place in a suitably sized bow.
Peel the hard boiled eggs & dice them finely. Add to the potatoes. Add salt & black pepper to taste. Add pickles, parsley, & enough mayonnaise to mix together with your preferred taste and moistness. Cover with plastic